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Finding the Fourth Proportional to 60,641.80, 90,876.30 and 44,722.60

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Solution

The fourth proportional to 60,641.80, 90,876.30 and 44,722.60 is: 67,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,641.80 : 90,876.30 = 44,722.60 : x
  2. Step 2: Convert to fraction form
    60,641.80/90,876.30 = 44,722.60/x
  3. Step 3: Cross multiply
    60,641.80x = 90,876.30 × 44,722.60
  4. Step 4: Simplify right side
    60,641.80x = 4,064,224,414.38
  5. Step 5: Solve for x
    x = 4,064,224,414.38/60,641.80
  6. Step 6: Final answer
    x = 67,020.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.