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Finding the Fourth Proportional to 7,212.38, 9,944.07 and 6,019.08

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Solution

The fourth proportional to 7,212.38, 9,944.07 and 6,019.08 is: 8,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.38 : 9,944.07 = 6,019.08 : x
  2. Step 2: Convert to fraction form
    7,212.38/9,944.07 = 6,019.08/x
  3. Step 3: Cross multiply
    7,212.38x = 9,944.07 × 6,019.08
  4. Step 4: Simplify right side
    7,212.38x = 59,854,092.99
  5. Step 5: Solve for x
    x = 59,854,092.99/7,212.38
  6. Step 6: Final answer
    x = 8,298.80

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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.