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Finding the Fourth Proportional to 56,751.66, 85,113.78 and 25,144.25

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Solution

The fourth proportional to 56,751.66, 85,113.78 and 25,144.25 is: 37,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,751.66 : 85,113.78 = 25,144.25 : x
  2. Step 2: Convert to fraction form
    56,751.66/85,113.78 = 25,144.25/x
  3. Step 3: Cross multiply
    56,751.66x = 85,113.78 × 25,144.25
  4. Step 4: Simplify right side
    56,751.66x = 2,140,121,737.20
  5. Step 5: Solve for x
    x = 2,140,121,737.20/56,751.66
  6. Step 6: Final answer
    x = 37,710.29

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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.