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Finding the Fourth Proportional to 62,219.43, 85,876.74 and 39,554.01

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Solution

The fourth proportional to 62,219.43, 85,876.74 and 39,554.01 is: 54,593.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,219.43 : 85,876.74 = 39,554.01 : x
  2. Step 2: Convert to fraction form
    62,219.43/85,876.74 = 39,554.01/x
  3. Step 3: Cross multiply
    62,219.43x = 85,876.74 × 39,554.01
  4. Step 4: Simplify right side
    62,219.43x = 3,396,769,432.73
  5. Step 5: Solve for x
    x = 3,396,769,432.73/62,219.43
  6. Step 6: Final answer
    x = 54,593.39

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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.