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Finding the Fourth Proportional to 5,617.47, 8,428.03 and 2,696.01

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Solution

The fourth proportional to 5,617.47, 8,428.03 and 2,696.01 is: 4,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.47 : 8,428.03 = 2,696.01 : x
  2. Step 2: Convert to fraction form
    5,617.47/8,428.03 = 2,696.01/x
  3. Step 3: Cross multiply
    5,617.47x = 8,428.03 × 2,696.01
  4. Step 4: Simplify right side
    5,617.47x = 22,722,011.02
  5. Step 5: Solve for x
    x = 22,722,011.02/5,617.47
  6. Step 6: Final answer
    x = 4,044.88

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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.