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Finding the Fourth Proportional to 60,577.54, 90,905.19 and 29,395.78

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Solution

The fourth proportional to 60,577.54, 90,905.19 and 29,395.78 is: 44,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,577.54 : 90,905.19 = 29,395.78 : x
  2. Step 2: Convert to fraction form
    60,577.54/90,905.19 = 29,395.78/x
  3. Step 3: Cross multiply
    60,577.54x = 90,905.19 × 29,395.78
  4. Step 4: Simplify right side
    60,577.54x = 2,672,228,966.10
  5. Step 5: Solve for x
    x = 2,672,228,966.10/60,577.54
  6. Step 6: Final answer
    x = 44,112.54

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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.