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Finding the Fourth Proportional to 4,250.48, 6,359.31 and 4,239.54

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Solution

The fourth proportional to 4,250.48, 6,359.31 and 4,239.54 is: 6,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,250.48 : 6,359.31 = 4,239.54 : x
  2. Step 2: Convert to fraction form
    4,250.48/6,359.31 = 4,239.54/x
  3. Step 3: Cross multiply
    4,250.48x = 6,359.31 × 4,239.54
  4. Step 4: Simplify right side
    4,250.48x = 26,960,549.12
  5. Step 5: Solve for x
    x = 26,960,549.12/4,250.48
  6. Step 6: Final answer
    x = 6,342.95

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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.