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Finding the Fourth Proportional to 56,695.74, 85,052.88 and 17,243.70

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Solution

The fourth proportional to 56,695.74, 85,052.88 and 17,243.70 is: 25,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695.74 : 85,052.88 = 17,243.70 : x
  2. Step 2: Convert to fraction form
    56,695.74/85,052.88 = 17,243.70/x
  3. Step 3: Cross multiply
    56,695.74x = 85,052.88 × 17,243.70
  4. Step 4: Simplify right side
    56,695.74x = 1,466,626,346.86
  5. Step 5: Solve for x
    x = 1,466,626,346.86/56,695.74
  6. Step 6: Final answer
    x = 25,868.37

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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.