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Finding the Fourth Proportional to 54,366.76, 81,573.72 and 29,424.40

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Solution

The fourth proportional to 54,366.76, 81,573.72 and 29,424.40 is: 44,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,366.76 : 81,573.72 = 29,424.40 : x
  2. Step 2: Convert to fraction form
    54,366.76/81,573.72 = 29,424.40/x
  3. Step 3: Cross multiply
    54,366.76x = 81,573.72 × 29,424.40
  4. Step 4: Simplify right side
    54,366.76x = 2,400,257,766.77
  5. Step 5: Solve for x
    x = 2,400,257,766.77/54,366.76
  6. Step 6: Final answer
    x = 44,149.36

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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.