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Finding the Fourth Proportional to 56,654.25, 84,983.18 and 17,211.71

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Solution

The fourth proportional to 56,654.25, 84,983.18 and 17,211.71 is: 25,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,654.25 : 84,983.18 = 17,211.71 : x
  2. Step 2: Convert to fraction form
    56,654.25/84,983.18 = 17,211.71/x
  3. Step 3: Cross multiply
    56,654.25x = 84,983.18 × 17,211.71
  4. Step 4: Simplify right side
    56,654.25x = 1,462,705,338.06
  5. Step 5: Solve for x
    x = 1,462,705,338.06/56,654.25
  6. Step 6: Final answer
    x = 25,818.10

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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.