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Finding the Fourth Proportional to 67,280.88, 92,842.11 and 38,600.22

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Solution

The fourth proportional to 67,280.88, 92,842.11 and 38,600.22 is: 53,265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,280.88 : 92,842.11 = 38,600.22 : x
  2. Step 2: Convert to fraction form
    67,280.88/92,842.11 = 38,600.22/x
  3. Step 3: Cross multiply
    67,280.88x = 92,842.11 × 38,600.22
  4. Step 4: Simplify right side
    67,280.88x = 3,583,725,871.26
  5. Step 5: Solve for x
    x = 3,583,725,871.26/67,280.88
  6. Step 6: Final answer
    x = 53,265.15

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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.