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Finding the Fourth Proportional to 52,881.60, 79,301.82 and 26,568

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Solution

The fourth proportional to 52,881.60, 79,301.82 and 26,568 is: 39,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,881.60 : 79,301.82 = 26,568 : x
  2. Step 2: Convert to fraction form
    52,881.60/79,301.82 = 26,568/x
  3. Step 3: Cross multiply
    52,881.60x = 79,301.82 × 26,568
  4. Step 4: Simplify right side
    52,881.60x = 2,106,890,753.76
  5. Step 5: Solve for x
    x = 2,106,890,753.76/52,881.60
  6. Step 6: Final answer
    x = 39,841.66

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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.