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Finding the Fourth Proportional to 67,331.52, 92,917.62 and 38,652.12

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Solution

The fourth proportional to 67,331.52, 92,917.62 and 38,652.12 is: 53,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,331.52 : 92,917.62 = 38,652.12 : x
  2. Step 2: Convert to fraction form
    67,331.52/92,917.62 = 38,652.12/x
  3. Step 3: Cross multiply
    67,331.52x = 92,917.62 × 38,652.12
  4. Step 4: Simplify right side
    67,331.52x = 3,591,462,998.35
  5. Step 5: Solve for x
    x = 3,591,462,998.35/67,331.52
  6. Step 6: Final answer
    x = 53,340.00

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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.