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Finding the Fourth Proportional to 51,254.92, 70,731.82 and 28,593.91

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Solution

The fourth proportional to 51,254.92, 70,731.82 and 28,593.91 is: 39,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,254.92 : 70,731.82 = 28,593.91 : x
  2. Step 2: Convert to fraction form
    51,254.92/70,731.82 = 28,593.91/x
  3. Step 3: Cross multiply
    51,254.92x = 70,731.82 × 28,593.91
  4. Step 4: Simplify right side
    51,254.92x = 2,022,499,059.60
  5. Step 5: Solve for x
    x = 2,022,499,059.60/51,254.92
  6. Step 6: Final answer
    x = 39,459.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.