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Finding the Fourth Proportional to 67,304.77, 92,874.22 and 39,705.12

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Solution

The fourth proportional to 67,304.77, 92,874.22 and 39,705.12 is: 54,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,304.77 : 92,874.22 = 39,705.12 : x
  2. Step 2: Convert to fraction form
    67,304.77/92,874.22 = 39,705.12/x
  3. Step 3: Cross multiply
    67,304.77x = 92,874.22 × 39,705.12
  4. Step 4: Simplify right side
    67,304.77x = 3,687,582,050.01
  5. Step 5: Solve for x
    x = 3,687,582,050.01/67,304.77
  6. Step 6: Final answer
    x = 54,789.31

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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.