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Finding the Fourth Proportional to 7,327.60, 10,981.80 and 2,948.13

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Solution

The fourth proportional to 7,327.60, 10,981.80 and 2,948.13 is: 4,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.60 : 10,981.80 = 2,948.13 : x
  2. Step 2: Convert to fraction form
    7,327.60/10,981.80 = 2,948.13/x
  3. Step 3: Cross multiply
    7,327.60x = 10,981.80 × 2,948.13
  4. Step 4: Simplify right side
    7,327.60x = 32,375,774.03
  5. Step 5: Solve for x
    x = 32,375,774.03/7,327.60
  6. Step 6: Final answer
    x = 4,418.33

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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.