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Finding the Fourth Proportional to 54,353.88, 81,442.94 and 29,405.70

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Solution

The fourth proportional to 54,353.88, 81,442.94 and 29,405.70 is: 44,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.88 : 81,442.94 = 29,405.70 : x
  2. Step 2: Convert to fraction form
    54,353.88/81,442.94 = 29,405.70/x
  3. Step 3: Cross multiply
    54,353.88x = 81,442.94 × 29,405.70
  4. Step 4: Simplify right side
    54,353.88x = 2,394,886,513.73
  5. Step 5: Solve for x
    x = 2,394,886,513.73/54,353.88
  6. Step 6: Final answer
    x = 44,061.00

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1.5x scale

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.