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Finding the Fourth Proportional to 7,195.88, 9,930.28 and 4,052.04

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Solution

The fourth proportional to 7,195.88, 9,930.28 and 4,052.04 is: 5,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.88 : 9,930.28 = 4,052.04 : x
  2. Step 2: Convert to fraction form
    7,195.88/9,930.28 = 4,052.04/x
  3. Step 3: Cross multiply
    7,195.88x = 9,930.28 × 4,052.04
  4. Step 4: Simplify right side
    7,195.88x = 40,237,891.77
  5. Step 5: Solve for x
    x = 40,237,891.77/7,195.88
  6. Step 6: Final answer
    x = 5,591.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.