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Finding the Fourth Proportional to 6,240.69, 9,358.52 and 3,119.49

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Solution

The fourth proportional to 6,240.69, 9,358.52 and 3,119.49 is: 4,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.69 : 9,358.52 = 3,119.49 : x
  2. Step 2: Convert to fraction form
    6,240.69/9,358.52 = 3,119.49/x
  3. Step 3: Cross multiply
    6,240.69x = 9,358.52 × 3,119.49
  4. Step 4: Simplify right side
    6,240.69x = 29,193,793.96
  5. Step 5: Solve for x
    x = 29,193,793.96/6,240.69
  6. Step 6: Final answer
    x = 4,677.98

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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.