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Finding the Fourth Proportional to 62,602.10, 93,918.56 and 18,229.28

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Solution

The fourth proportional to 62,602.10, 93,918.56 and 18,229.28 is: 27,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,602.10 : 93,918.56 = 18,229.28 : x
  2. Step 2: Convert to fraction form
    62,602.10/93,918.56 = 18,229.28/x
  3. Step 3: Cross multiply
    62,602.10x = 93,918.56 × 18,229.28
  4. Step 4: Simplify right side
    62,602.10x = 1,712,067,727.44
  5. Step 5: Solve for x
    x = 1,712,067,727.44/62,602.10
  6. Step 6: Final answer
    x = 27,348.41

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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.