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Finding the Fourth Proportional to 63,909.78, 88,193.73 and 35,614.74

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Solution

The fourth proportional to 63,909.78, 88,193.73 and 35,614.74 is: 49,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,909.78 : 88,193.73 = 35,614.74 : x
  2. Step 2: Convert to fraction form
    63,909.78/88,193.73 = 35,614.74/x
  3. Step 3: Cross multiply
    63,909.78x = 88,193.73 × 35,614.74
  4. Step 4: Simplify right side
    63,909.78x = 3,140,996,763.58
  5. Step 5: Solve for x
    x = 3,140,996,763.58/63,909.78
  6. Step 6: Final answer
    x = 49,147.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.