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Finding the Fourth Proportional to 18,046.52, 27,068.92 and 4,719.52

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Solution

The fourth proportional to 18,046.52, 27,068.92 and 4,719.52 is: 7,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.52 : 27,068.92 = 4,719.52 : x
  2. Step 2: Convert to fraction form
    18,046.52/27,068.92 = 4,719.52/x
  3. Step 3: Cross multiply
    18,046.52x = 27,068.92 × 4,719.52
  4. Step 4: Simplify right side
    18,046.52x = 127,752,309.32
  5. Step 5: Solve for x
    x = 127,752,309.32/18,046.52
  6. Step 6: Final answer
    x = 7,079.06

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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.