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Finding the Fourth Proportional to 7,060.78, 10,591.17 and 2,900.08

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Solution

The fourth proportional to 7,060.78, 10,591.17 and 2,900.08 is: 4,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.78 : 10,591.17 = 2,900.08 : x
  2. Step 2: Convert to fraction form
    7,060.78/10,591.17 = 2,900.08/x
  3. Step 3: Cross multiply
    7,060.78x = 10,591.17 × 2,900.08
  4. Step 4: Simplify right side
    7,060.78x = 30,715,240.29
  5. Step 5: Solve for x
    x = 30,715,240.29/7,060.78
  6. Step 6: Final answer
    x = 4,350.12

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Similar ratio
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1.5x scale

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.