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Finding the Fourth Proportional to 5,294.84, 7,943.18 and 2,176.54

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Solution

The fourth proportional to 5,294.84, 7,943.18 and 2,176.54 is: 3,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.84 : 7,943.18 = 2,176.54 : x
  2. Step 2: Convert to fraction form
    5,294.84/7,943.18 = 2,176.54/x
  3. Step 3: Cross multiply
    5,294.84x = 7,943.18 × 2,176.54
  4. Step 4: Simplify right side
    5,294.84x = 17,288,618.26
  5. Step 5: Solve for x
    x = 17,288,618.26/5,294.84
  6. Step 6: Final answer
    x = 3,265.19

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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.