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Finding the Fourth Proportional to 10,099.92, 15,149.99 and 3,526.13

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Solution

The fourth proportional to 10,099.92, 15,149.99 and 3,526.13 is: 5,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.92 : 15,149.99 = 3,526.13 : x
  2. Step 2: Convert to fraction form
    10,099.92/15,149.99 = 3,526.13/x
  3. Step 3: Cross multiply
    10,099.92x = 15,149.99 × 3,526.13
  4. Step 4: Simplify right side
    10,099.92x = 53,420,740.86
  5. Step 5: Solve for x
    x = 53,420,740.86/10,099.92
  6. Step 6: Final answer
    x = 5,289.22

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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.