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Finding the Fourth Proportional to 55,787.35, 83,681.03 and 16,344.47

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Solution

The fourth proportional to 55,787.35, 83,681.03 and 16,344.47 is: 24,516.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,787.35 : 83,681.03 = 16,344.47 : x
  2. Step 2: Convert to fraction form
    55,787.35/83,681.03 = 16,344.47/x
  3. Step 3: Cross multiply
    55,787.35x = 83,681.03 × 16,344.47
  4. Step 4: Simplify right side
    55,787.35x = 1,367,722,084.40
  5. Step 5: Solve for x
    x = 1,367,722,084.40/55,787.35
  6. Step 6: Final answer
    x = 24,516.71

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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.