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Finding the Fourth Proportional to 5,913.18, 8,871.48 and 1,753.28

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Solution

The fourth proportional to 5,913.18, 8,871.48 and 1,753.28 is: 2,630.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.18 : 8,871.48 = 1,753.28 : x
  2. Step 2: Convert to fraction form
    5,913.18/8,871.48 = 1,753.28/x
  3. Step 3: Cross multiply
    5,913.18x = 8,871.48 × 1,753.28
  4. Step 4: Simplify right side
    5,913.18x = 15,554,190.71
  5. Step 5: Solve for x
    x = 15,554,190.71/5,913.18
  6. Step 6: Final answer
    x = 2,630.43

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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.