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Finding the Fourth Proportional to 10,591.23, 15,892.07 and 7,491.16

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Solution

The fourth proportional to 10,591.23, 15,892.07 and 7,491.16 is: 11,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.23 : 15,892.07 = 7,491.16 : x
  2. Step 2: Convert to fraction form
    10,591.23/15,892.07 = 7,491.16/x
  3. Step 3: Cross multiply
    10,591.23x = 15,892.07 × 7,491.16
  4. Step 4: Simplify right side
    10,591.23x = 119,049,961.92
  5. Step 5: Solve for x
    x = 119,049,961.92/10,591.23
  6. Step 6: Final answer
    x = 11,240.43

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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.