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Finding the Fourth Proportional to 16,872.75, 25,309.13 and 4,560.75

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Solution

The fourth proportional to 16,872.75, 25,309.13 and 4,560.75 is: 6,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.75 : 25,309.13 = 4,560.75 : x
  2. Step 2: Convert to fraction form
    16,872.75/25,309.13 = 4,560.75/x
  3. Step 3: Cross multiply
    16,872.75x = 25,309.13 × 4,560.75
  4. Step 4: Simplify right side
    16,872.75x = 115,428,591.84
  5. Step 5: Solve for x
    x = 115,428,591.84/16,872.75
  6. Step 6: Final answer
    x = 6,841.13

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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.