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Finding the Fourth Proportional to 62,138.64, 93,209.64 and 17,769.36

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Solution

The fourth proportional to 62,138.64, 93,209.64 and 17,769.36 is: 26,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138.64 : 93,209.64 = 17,769.36 : x
  2. Step 2: Convert to fraction form
    62,138.64/93,209.64 = 17,769.36/x
  3. Step 3: Cross multiply
    62,138.64x = 93,209.64 × 17,769.36
  4. Step 4: Simplify right side
    62,138.64x = 1,656,275,648.63
  5. Step 5: Solve for x
    x = 1,656,275,648.63/62,138.64
  6. Step 6: Final answer
    x = 26,654.52

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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.