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Finding the Fourth Proportional to 7,455.15, 11,182.73 and 7,455.15

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Solution

The fourth proportional to 7,455.15, 11,182.73 and 7,455.15 is: 11,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.15 : 11,182.73 = 7,455.15 : x
  2. Step 2: Convert to fraction form
    7,455.15/11,182.73 = 7,455.15/x
  3. Step 3: Cross multiply
    7,455.15x = 11,182.73 × 7,455.15
  4. Step 4: Simplify right side
    7,455.15x = 83,368,892.28
  5. Step 5: Solve for x
    x = 83,368,892.28/7,455.15
  6. Step 6: Final answer
    x = 11,182.73

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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.