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Finding the Fourth Proportional to 54,573.56, 81,891.72 and 22,981.13

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Solution

The fourth proportional to 54,573.56, 81,891.72 and 22,981.13 is: 34,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,573.56 : 81,891.72 = 22,981.13 : x
  2. Step 2: Convert to fraction form
    54,573.56/81,891.72 = 22,981.13/x
  3. Step 3: Cross multiply
    54,573.56x = 81,891.72 × 22,981.13
  4. Step 4: Simplify right side
    54,573.56x = 1,881,963,853.79
  5. Step 5: Solve for x
    x = 1,881,963,853.79/54,573.56
  6. Step 6: Final answer
    x = 34,484.90

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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.