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Finding the Fourth Proportional to 63,781.68, 95,526.69 and 30,525.11

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Solution

The fourth proportional to 63,781.68, 95,526.69 and 30,525.11 is: 45,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,781.68 : 95,526.69 = 30,525.11 : x
  2. Step 2: Convert to fraction form
    63,781.68/95,526.69 = 30,525.11/x
  3. Step 3: Cross multiply
    63,781.68x = 95,526.69 × 30,525.11
  4. Step 4: Simplify right side
    63,781.68x = 2,915,962,720.19
  5. Step 5: Solve for x
    x = 2,915,962,720.19/63,781.68
  6. Step 6: Final answer
    x = 45,717.87

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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.