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Finding the Fourth Proportional to 5,714.52, 8,569.92 and 1,818.01

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Solution

The fourth proportional to 5,714.52, 8,569.92 and 1,818.01 is: 2,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.52 : 8,569.92 = 1,818.01 : x
  2. Step 2: Convert to fraction form
    5,714.52/8,569.92 = 1,818.01/x
  3. Step 3: Cross multiply
    5,714.52x = 8,569.92 × 1,818.01
  4. Step 4: Simplify right side
    5,714.52x = 15,580,207.56
  5. Step 5: Solve for x
    x = 15,580,207.56/5,714.52
  6. Step 6: Final answer
    x = 2,726.43

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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.