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Finding the Fourth Proportional to 48,959.88, 67,564.70 and 27,740.58

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Solution

The fourth proportional to 48,959.88, 67,564.70 and 27,740.58 is: 38,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,959.88 : 67,564.70 = 27,740.58 : x
  2. Step 2: Convert to fraction form
    48,959.88/67,564.70 = 27,740.58/x
  3. Step 3: Cross multiply
    48,959.88x = 67,564.70 × 27,740.58
  4. Step 4: Simplify right side
    48,959.88x = 1,874,283,965.53
  5. Step 5: Solve for x
    x = 1,874,283,965.53/48,959.88
  6. Step 6: Final answer
    x = 38,282.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.