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Finding the Fourth Proportional to 64,265.60, 88,659.05 and 38,757.46

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Solution

The fourth proportional to 64,265.60, 88,659.05 and 38,757.46 is: 53,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,265.60 : 88,659.05 = 38,757.46 : x
  2. Step 2: Convert to fraction form
    64,265.60/88,659.05 = 38,757.46/x
  3. Step 3: Cross multiply
    64,265.60x = 88,659.05 × 38,757.46
  4. Step 4: Simplify right side
    64,265.60x = 3,436,199,693.17
  5. Step 5: Solve for x
    x = 3,436,199,693.17/64,265.60
  6. Step 6: Final answer
    x = 53,468.72

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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.