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Finding the Fourth Proportional to 54,551.88, 81,827.81 and 15,108.99

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Solution

The fourth proportional to 54,551.88, 81,827.81 and 15,108.99 is: 22,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,551.88 : 81,827.81 = 15,108.99 : x
  2. Step 2: Convert to fraction form
    54,551.88/81,827.81 = 15,108.99/x
  3. Step 3: Cross multiply
    54,551.88x = 81,827.81 × 15,108.99
  4. Step 4: Simplify right side
    54,551.88x = 1,236,335,600.78
  5. Step 5: Solve for x
    x = 1,236,335,600.78/54,551.88
  6. Step 6: Final answer
    x = 22,663.48

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Similar ratio
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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.