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Finding the Fourth Proportional to 7,039.96, 10,572.02 and 6,251.11

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Solution

The fourth proportional to 7,039.96, 10,572.02 and 6,251.11 is: 9,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.96 : 10,572.02 = 6,251.11 : x
  2. Step 2: Convert to fraction form
    7,039.96/10,572.02 = 6,251.11/x
  3. Step 3: Cross multiply
    7,039.96x = 10,572.02 × 6,251.11
  4. Step 4: Simplify right side
    7,039.96x = 66,086,849.14
  5. Step 5: Solve for x
    x = 66,086,849.14/7,039.96
  6. Step 6: Final answer
    x = 9,387.39

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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.