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Finding the Fourth Proportional to 52,553.80, 72,524.50 and 28,680.97

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Solution

The fourth proportional to 52,553.80, 72,524.50 and 28,680.97 is: 39,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,553.80 : 72,524.50 = 28,680.97 : x
  2. Step 2: Convert to fraction form
    52,553.80/72,524.50 = 28,680.97/x
  3. Step 3: Cross multiply
    52,553.80x = 72,524.50 × 28,680.97
  4. Step 4: Simplify right side
    52,553.80x = 2,080,073,008.77
  5. Step 5: Solve for x
    x = 2,080,073,008.77/52,553.80
  6. Step 6: Final answer
    x = 39,579.88

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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.