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Finding the Fourth Proportional to 54,053.96, 81,079.98 and 17,117

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Solution

The fourth proportional to 54,053.96, 81,079.98 and 17,117 is: 25,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,053.96 : 81,079.98 = 17,117 : x
  2. Step 2: Convert to fraction form
    54,053.96/81,079.98 = 17,117/x
  3. Step 3: Cross multiply
    54,053.96x = 81,079.98 × 17,117
  4. Step 4: Simplify right side
    54,053.96x = 1,387,846,017.66
  5. Step 5: Solve for x
    x = 1,387,846,017.66/54,053.96
  6. Step 6: Final answer
    x = 25,675.20

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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.