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Finding the Fourth Proportional to 56,508.75, 84,761.08 and 17,064.86

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Solution

The fourth proportional to 56,508.75, 84,761.08 and 17,064.86 is: 25,596.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,508.75 : 84,761.08 = 17,064.86 : x
  2. Step 2: Convert to fraction form
    56,508.75/84,761.08 = 17,064.86/x
  3. Step 3: Cross multiply
    56,508.75x = 84,761.08 × 17,064.86
  4. Step 4: Simplify right side
    56,508.75x = 1,446,435,497.18
  5. Step 5: Solve for x
    x = 1,446,435,497.18/56,508.75
  6. Step 6: Final answer
    x = 25,596.66

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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.