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Finding the Fourth Proportional to 43,252.78, 64,753.62 and 38,750.80

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Solution

The fourth proportional to 43,252.78, 64,753.62 and 38,750.80 is: 58,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,252.78 : 64,753.62 = 38,750.80 : x
  2. Step 2: Convert to fraction form
    43,252.78/64,753.62 = 38,750.80/x
  3. Step 3: Cross multiply
    43,252.78x = 64,753.62 × 38,750.80
  4. Step 4: Simplify right side
    43,252.78x = 2,509,254,577.90
  5. Step 5: Solve for x
    x = 2,509,254,577.90/43,252.78
  6. Step 6: Final answer
    x = 58,013.72

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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.