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Finding the Fourth Proportional to 7,332.47, 10,995.96 and 2,948.44

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Solution

The fourth proportional to 7,332.47, 10,995.96 and 2,948.44 is: 4,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.47 : 10,995.96 = 2,948.44 : x
  2. Step 2: Convert to fraction form
    7,332.47/10,995.96 = 2,948.44/x
  3. Step 3: Cross multiply
    7,332.47x = 10,995.96 × 2,948.44
  4. Step 4: Simplify right side
    7,332.47x = 32,420,928.30
  5. Step 5: Solve for x
    x = 32,420,928.30/7,332.47
  6. Step 6: Final answer
    x = 4,421.56

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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.