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Finding the Fourth Proportional to 59,489.52, 82,113.92 and 38,268.80

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Solution

The fourth proportional to 59,489.52, 82,113.92 and 38,268.80 is: 52,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,489.52 : 82,113.92 = 38,268.80 : x
  2. Step 2: Convert to fraction form
    59,489.52/82,113.92 = 38,268.80/x
  3. Step 3: Cross multiply
    59,489.52x = 82,113.92 × 38,268.80
  4. Step 4: Simplify right side
    59,489.52x = 3,142,401,181.70
  5. Step 5: Solve for x
    x = 3,142,401,181.70/59,489.52
  6. Step 6: Final answer
    x = 52,822.77

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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.