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Finding the Fourth Proportional to 56,610.96, 84,916.32 and 15,057.96

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Solution

The fourth proportional to 56,610.96, 84,916.32 and 15,057.96 is: 22,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,610.96 : 84,916.32 = 15,057.96 : x
  2. Step 2: Convert to fraction form
    56,610.96/84,916.32 = 15,057.96/x
  3. Step 3: Cross multiply
    56,610.96x = 84,916.32 × 15,057.96
  4. Step 4: Simplify right side
    56,610.96x = 1,278,666,549.91
  5. Step 5: Solve for x
    x = 1,278,666,549.91/56,610.96
  6. Step 6: Final answer
    x = 22,586.91

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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.