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Finding the Fourth Proportional to 54,374.95, 81,539.11 and 29,408.22

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Solution

The fourth proportional to 54,374.95, 81,539.11 and 29,408.22 is: 44,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,374.95 : 81,539.11 = 29,408.22 : x
  2. Step 2: Convert to fraction form
    54,374.95/81,539.11 = 29,408.22/x
  3. Step 3: Cross multiply
    54,374.95x = 81,539.11 × 29,408.22
  4. Step 4: Simplify right side
    54,374.95x = 2,397,920,085.48
  5. Step 5: Solve for x
    x = 2,397,920,085.48/54,374.95
  6. Step 6: Final answer
    x = 44,099.72

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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.