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Finding the Fourth Proportional to 55,508.74, 83,264.14 and 18,068.68

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Solution

The fourth proportional to 55,508.74, 83,264.14 and 18,068.68 is: 27,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508.74 : 83,264.14 = 18,068.68 : x
  2. Step 2: Convert to fraction form
    55,508.74/83,264.14 = 18,068.68/x
  3. Step 3: Cross multiply
    55,508.74x = 83,264.14 × 18,068.68
  4. Step 4: Simplify right side
    55,508.74x = 1,504,473,101.14
  5. Step 5: Solve for x
    x = 1,504,473,101.14/55,508.74
  6. Step 6: Final answer
    x = 27,103.36

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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.