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Finding the Fourth Proportional to 7,340,691.10, 11,011,036.66 and 7,340,691.10

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Solution

The fourth proportional to 7,340,691.10, 11,011,036.66 and 7,340,691.10 is: 11,011,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,691.10 : 11,011,036.66 = 7,340,691.10 : x
  2. Step 2: Convert to fraction form
    7,340,691.10/11,011,036.66 = 7,340,691.10/x
  3. Step 3: Cross multiply
    7,340,691.10x = 11,011,036.66 × 7,340,691.10
  4. Step 4: Simplify right side
    7,340,691.10x = 80,828,618,811,835.72
  5. Step 5: Solve for x
    x = 80,828,618,811,835.72/7,340,691.10
  6. Step 6: Final answer
    x = 11,011,036.66

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.