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Finding the Fourth Proportional to 56,612.52, 84,918.90 and 15,059.52

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Solution

The fourth proportional to 56,612.52, 84,918.90 and 15,059.52 is: 22,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,612.52 : 84,918.90 = 15,059.52 : x
  2. Step 2: Convert to fraction form
    56,612.52/84,918.90 = 15,059.52/x
  3. Step 3: Cross multiply
    56,612.52x = 84,918.90 × 15,059.52
  4. Step 4: Simplify right side
    56,612.52x = 1,278,837,872.93
  5. Step 5: Solve for x
    x = 1,278,837,872.93/56,612.52
  6. Step 6: Final answer
    x = 22,589.31

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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.