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Finding the Fourth Proportional to 54,161.97, 81,242.72 and 14,718.97

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Solution

The fourth proportional to 54,161.97, 81,242.72 and 14,718.97 is: 22,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161.97 : 81,242.72 = 14,718.97 : x
  2. Step 2: Convert to fraction form
    54,161.97/81,242.72 = 14,718.97/x
  3. Step 3: Cross multiply
    54,161.97x = 81,242.72 × 14,718.97
  4. Step 4: Simplify right side
    54,161.97x = 1,195,808,825.96
  5. Step 5: Solve for x
    x = 1,195,808,825.96/54,161.97
  6. Step 6: Final answer
    x = 22,078.39

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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.