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Finding the Fourth Proportional to 5,714.56, 8,569.50 and 1,817.92

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Solution

The fourth proportional to 5,714.56, 8,569.50 and 1,817.92 is: 2,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.56 : 8,569.50 = 1,817.92 : x
  2. Step 2: Convert to fraction form
    5,714.56/8,569.50 = 1,817.92/x
  3. Step 3: Cross multiply
    5,714.56x = 8,569.50 × 1,817.92
  4. Step 4: Simplify right side
    5,714.56x = 15,578,665.44
  5. Step 5: Solve for x
    x = 15,578,665.44/5,714.56
  6. Step 6: Final answer
    x = 2,726.14

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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.