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Finding the Fourth Proportional to 63,310.80, 94,931.12 and 25,897.13

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Solution

The fourth proportional to 63,310.80, 94,931.12 and 25,897.13 is: 38,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,310.80 : 94,931.12 = 25,897.13 : x
  2. Step 2: Convert to fraction form
    63,310.80/94,931.12 = 25,897.13/x
  3. Step 3: Cross multiply
    63,310.80x = 94,931.12 × 25,897.13
  4. Step 4: Simplify right side
    63,310.80x = 2,458,444,035.75
  5. Step 5: Solve for x
    x = 2,458,444,035.75/63,310.80
  6. Step 6: Final answer
    x = 38,831.35

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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.