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Finding the Fourth Proportional to 56,734.70, 85,114.20 and 17,295.80

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Solution

The fourth proportional to 56,734.70, 85,114.20 and 17,295.80 is: 25,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,734.70 : 85,114.20 = 17,295.80 : x
  2. Step 2: Convert to fraction form
    56,734.70/85,114.20 = 17,295.80/x
  3. Step 3: Cross multiply
    56,734.70x = 85,114.20 × 17,295.80
  4. Step 4: Simplify right side
    56,734.70x = 1,472,118,180.36
  5. Step 5: Solve for x
    x = 1,472,118,180.36/56,734.70
  6. Step 6: Final answer
    x = 25,947.40

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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.