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Finding the Fourth Proportional to 7,340,674.20, 11,011,011.30 and 7,340,674.20

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Solution

The fourth proportional to 7,340,674.20, 11,011,011.30 and 7,340,674.20 is: 11,011,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,674.20 : 11,011,011.30 = 7,340,674.20 : x
  2. Step 2: Convert to fraction form
    7,340,674.20/11,011,011.30 = 7,340,674.20/x
  3. Step 3: Cross multiply
    7,340,674.20x = 11,011,011.30 × 7,340,674.20
  4. Step 4: Simplify right side
    7,340,674.20x = 80,828,246,565,818.47
  5. Step 5: Solve for x
    x = 80,828,246,565,818.47/7,340,674.20
  6. Step 6: Final answer
    x = 11,011,011.30

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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.