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Finding the Fourth Proportional to 44,652.76, 66,979.14 and 18,339.04

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Solution

The fourth proportional to 44,652.76, 66,979.14 and 18,339.04 is: 27,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,652.76 : 66,979.14 = 18,339.04 : x
  2. Step 2: Convert to fraction form
    44,652.76/66,979.14 = 18,339.04/x
  3. Step 3: Cross multiply
    44,652.76x = 66,979.14 × 18,339.04
  4. Step 4: Simplify right side
    44,652.76x = 1,228,333,127.63
  5. Step 5: Solve for x
    x = 1,228,333,127.63/44,652.76
  6. Step 6: Final answer
    x = 27,508.56

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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.