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Finding the Fourth Proportional to 18,117.76, 24,996.62 and 10,562.38

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Solution

The fourth proportional to 18,117.76, 24,996.62 and 10,562.38 is: 14,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.76 : 24,996.62 = 10,562.38 : x
  2. Step 2: Convert to fraction form
    18,117.76/24,996.62 = 10,562.38/x
  3. Step 3: Cross multiply
    18,117.76x = 24,996.62 × 10,562.38
  4. Step 4: Simplify right side
    18,117.76x = 264,023,799.16
  5. Step 5: Solve for x
    x = 264,023,799.16/18,117.76
  6. Step 6: Final answer
    x = 14,572.65

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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.