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Finding the Fourth Proportional to 62,092.71, 93,139.92 and 17,719.45

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Solution

The fourth proportional to 62,092.71, 93,139.92 and 17,719.45 is: 26,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,092.71 : 93,139.92 = 17,719.45 : x
  2. Step 2: Convert to fraction form
    62,092.71/93,139.92 = 17,719.45/x
  3. Step 3: Cross multiply
    62,092.71x = 93,139.92 × 17,719.45
  4. Step 4: Simplify right side
    62,092.71x = 1,650,388,155.44
  5. Step 5: Solve for x
    x = 1,650,388,155.44/62,092.71
  6. Step 6: Final answer
    x = 26,579.42

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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.