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Finding the Fourth Proportional to 7,010.52, 10,515.55 and 2,849.30

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Solution

The fourth proportional to 7,010.52, 10,515.55 and 2,849.30 is: 4,273.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.52 : 10,515.55 = 2,849.30 : x
  2. Step 2: Convert to fraction form
    7,010.52/10,515.55 = 2,849.30/x
  3. Step 3: Cross multiply
    7,010.52x = 10,515.55 × 2,849.30
  4. Step 4: Simplify right side
    7,010.52x = 29,961,956.62
  5. Step 5: Solve for x
    x = 29,961,956.62/7,010.52
  6. Step 6: Final answer
    x = 4,273.86

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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.