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Finding the Fourth Proportional to 56,951.60, 85,435.57 and 17,512.03

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Solution

The fourth proportional to 56,951.60, 85,435.57 and 17,512.03 is: 26,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,951.60 : 85,435.57 = 17,512.03 : x
  2. Step 2: Convert to fraction form
    56,951.60/85,435.57 = 17,512.03/x
  3. Step 3: Cross multiply
    56,951.60x = 85,435.57 × 17,512.03
  4. Step 4: Simplify right side
    56,951.60x = 1,496,150,264.91
  5. Step 5: Solve for x
    x = 1,496,150,264.91/56,951.60
  6. Step 6: Final answer
    x = 26,270.56

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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.