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Finding the Fourth Proportional to 7,306.76, 10,953.98 and 2,921.82

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Solution

The fourth proportional to 7,306.76, 10,953.98 and 2,921.82 is: 4,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306.76 : 10,953.98 = 2,921.82 : x
  2. Step 2: Convert to fraction form
    7,306.76/10,953.98 = 2,921.82/x
  3. Step 3: Cross multiply
    7,306.76x = 10,953.98 × 2,921.82
  4. Step 4: Simplify right side
    7,306.76x = 32,005,543.23
  5. Step 5: Solve for x
    x = 32,005,543.23/7,306.76
  6. Step 6: Final answer
    x = 4,380.27

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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.