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Finding the Fourth Proportional to 54,652.88, 81,990.84 and 17,714

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Solution

The fourth proportional to 54,652.88, 81,990.84 and 17,714 is: 26,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,652.88 : 81,990.84 = 17,714 : x
  2. Step 2: Convert to fraction form
    54,652.88/81,990.84 = 17,714/x
  3. Step 3: Cross multiply
    54,652.88x = 81,990.84 × 17,714
  4. Step 4: Simplify right side
    54,652.88x = 1,452,385,739.76
  5. Step 5: Solve for x
    x = 1,452,385,739.76/54,652.88
  6. Step 6: Final answer
    x = 26,574.73

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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.