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Finding the Fourth Proportional to 56,644.92, 84,970.22 and 21,587.31

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Solution

The fourth proportional to 56,644.92, 84,970.22 and 21,587.31 is: 32,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,644.92 : 84,970.22 = 21,587.31 : x
  2. Step 2: Convert to fraction form
    56,644.92/84,970.22 = 21,587.31/x
  3. Step 3: Cross multiply
    56,644.92x = 84,970.22 × 21,587.31
  4. Step 4: Simplify right side
    56,644.92x = 1,834,278,371.97
  5. Step 5: Solve for x
    x = 1,834,278,371.97/56,644.92
  6. Step 6: Final answer
    x = 32,382.05

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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.