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Finding the Fourth Proportional to 71,616.54, 98,787.04 and 42,525.19

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Solution

The fourth proportional to 71,616.54, 98,787.04 and 42,525.19 is: 58,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,616.54 : 98,787.04 = 42,525.19 : x
  2. Step 2: Convert to fraction form
    71,616.54/98,787.04 = 42,525.19/x
  3. Step 3: Cross multiply
    71,616.54x = 98,787.04 × 42,525.19
  4. Step 4: Simplify right side
    71,616.54x = 4,200,937,432.91
  5. Step 5: Solve for x
    x = 4,200,937,432.91/71,616.54
  6. Step 6: Final answer
    x = 58,658.76

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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.