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Finding the Fourth Proportional to 56,610.73, 84,916.91 and 21,552.31

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Solution

The fourth proportional to 56,610.73, 84,916.91 and 21,552.31 is: 32,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,610.73 : 84,916.91 = 21,552.31 : x
  2. Step 2: Convert to fraction form
    56,610.73/84,916.91 = 21,552.31/x
  3. Step 3: Cross multiply
    56,610.73x = 84,916.91 × 21,552.31
  4. Step 4: Simplify right side
    56,610.73x = 1,830,155,568.56
  5. Step 5: Solve for x
    x = 1,830,155,568.56/56,610.73
  6. Step 6: Final answer
    x = 32,328.78

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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.