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Finding the Fourth Proportional to 16,517.59, 24,780.17 and 7,159.17

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Solution

The fourth proportional to 16,517.59, 24,780.17 and 7,159.17 is: 10,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,517.59 : 24,780.17 = 7,159.17 : x
  2. Step 2: Convert to fraction form
    16,517.59/24,780.17 = 7,159.17/x
  3. Step 3: Cross multiply
    16,517.59x = 24,780.17 × 7,159.17
  4. Step 4: Simplify right side
    16,517.59x = 177,405,449.66
  5. Step 5: Solve for x
    x = 177,405,449.66/16,517.59
  6. Step 6: Final answer
    x = 10,740.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.