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Finding the Fourth Proportional to 67,652.60, 93,398.12 and 40,801.88

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Solution

The fourth proportional to 67,652.60, 93,398.12 and 40,801.88 is: 56,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,652.60 : 93,398.12 = 40,801.88 : x
  2. Step 2: Convert to fraction form
    67,652.60/93,398.12 = 40,801.88/x
  3. Step 3: Cross multiply
    67,652.60x = 93,398.12 × 40,801.88
  4. Step 4: Simplify right side
    67,652.60x = 3,810,818,884.47
  5. Step 5: Solve for x
    x = 3,810,818,884.47/67,652.60
  6. Step 6: Final answer
    x = 56,329.23

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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.