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Finding the Fourth Proportional to 5,757.18, 8,643.86 and 2,948.03

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Solution

The fourth proportional to 5,757.18, 8,643.86 and 2,948.03 is: 4,426.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.18 : 8,643.86 = 2,948.03 : x
  2. Step 2: Convert to fraction form
    5,757.18/8,643.86 = 2,948.03/x
  3. Step 3: Cross multiply
    5,757.18x = 8,643.86 × 2,948.03
  4. Step 4: Simplify right side
    5,757.18x = 25,482,358.60
  5. Step 5: Solve for x
    x = 25,482,358.60/5,757.18
  6. Step 6: Final answer
    x = 4,426.19

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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.