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Finding the Fourth Proportional to 56,585.52, 84,874.68 and 17,143.92

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Solution

The fourth proportional to 56,585.52, 84,874.68 and 17,143.92 is: 25,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,585.52 : 84,874.68 = 17,143.92 : x
  2. Step 2: Convert to fraction form
    56,585.52/84,874.68 = 17,143.92/x
  3. Step 3: Cross multiply
    56,585.52x = 84,874.68 × 17,143.92
  4. Step 4: Simplify right side
    56,585.52x = 1,455,084,723.95
  5. Step 5: Solve for x
    x = 1,455,084,723.95/56,585.52
  6. Step 6: Final answer
    x = 25,714.79

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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.