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Finding the Fourth Proportional to 83,589.60, 115,355.48 and 45,863.92

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Solution

The fourth proportional to 83,589.60, 115,355.48 and 45,863.92 is: 63,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,589.60 : 115,355.48 = 45,863.92 : x
  2. Step 2: Convert to fraction form
    83,589.60/115,355.48 = 45,863.92/x
  3. Step 3: Cross multiply
    83,589.60x = 115,355.48 × 45,863.92
  4. Step 4: Simplify right side
    83,589.60x = 5,290,654,506.28
  5. Step 5: Solve for x
    x = 5,290,654,506.28/83,589.60
  6. Step 6: Final answer
    x = 63,293.21

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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.