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Finding the Fourth Proportional to 16,706.70, 25,061.22 and 5,020.80

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Solution

The fourth proportional to 16,706.70, 25,061.22 and 5,020.80 is: 7,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,706.70 : 25,061.22 = 5,020.80 : x
  2. Step 2: Convert to fraction form
    16,706.70/25,061.22 = 5,020.80/x
  3. Step 3: Cross multiply
    16,706.70x = 25,061.22 × 5,020.80
  4. Step 4: Simplify right side
    16,706.70x = 125,827,373.38
  5. Step 5: Solve for x
    x = 125,827,373.38/16,706.70
  6. Step 6: Final answer
    x = 7,531.55

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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.