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Finding the Fourth Proportional to 10,393.72, 15,593.31 and 9,065.12

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Solution

The fourth proportional to 10,393.72, 15,593.31 and 9,065.12 is: 13,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.72 : 15,593.31 = 9,065.12 : x
  2. Step 2: Convert to fraction form
    10,393.72/15,593.31 = 9,065.12/x
  3. Step 3: Cross multiply
    10,393.72x = 15,593.31 × 9,065.12
  4. Step 4: Simplify right side
    10,393.72x = 141,355,148.38
  5. Step 5: Solve for x
    x = 141,355,148.38/10,393.72
  6. Step 6: Final answer
    x = 13,600.06

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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.