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Finding the Fourth Proportional to 62,251.62, 93,375 and 17,878.20

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Solution

The fourth proportional to 62,251.62, 93,375 and 17,878.20 is: 26,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,251.62 : 93,375 = 17,878.20 : x
  2. Step 2: Convert to fraction form
    62,251.62/93,375 = 17,878.20/x
  3. Step 3: Cross multiply
    62,251.62x = 93,375 × 17,878.20
  4. Step 4: Simplify right side
    62,251.62x = 1,669,376,925
  5. Step 5: Solve for x
    x = 1,669,376,925/62,251.62
  6. Step 6: Final answer
    x = 26,816.60

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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.