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Finding the Fourth Proportional to 18,524.67, 25,569.80 and 10,572.20

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Solution

The fourth proportional to 18,524.67, 25,569.80 and 10,572.20 is: 14,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.67 : 25,569.80 = 10,572.20 : x
  2. Step 2: Convert to fraction form
    18,524.67/25,569.80 = 10,572.20/x
  3. Step 3: Cross multiply
    18,524.67x = 25,569.80 × 10,572.20
  4. Step 4: Simplify right side
    18,524.67x = 270,328,898.50
  5. Step 5: Solve for x
    x = 270,328,898.50/18,524.67
  6. Step 6: Final answer
    x = 14,592.91

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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.