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Finding the Fourth Proportional to 7,151.01, 10,725.29 and 1,956.88

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Solution

The fourth proportional to 7,151.01, 10,725.29 and 1,956.88 is: 2,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.01 : 10,725.29 = 1,956.88 : x
  2. Step 2: Convert to fraction form
    7,151.01/10,725.29 = 1,956.88/x
  3. Step 3: Cross multiply
    7,151.01x = 10,725.29 × 1,956.88
  4. Step 4: Simplify right side
    7,151.01x = 20,988,105.50
  5. Step 5: Solve for x
    x = 20,988,105.50/7,151.01
  6. Step 6: Final answer
    x = 2,934.98

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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.