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Finding the Fourth Proportional to 5,339.88, 8,014.86 and 2,842.92

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Solution

The fourth proportional to 5,339.88, 8,014.86 and 2,842.92 is: 4,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.88 : 8,014.86 = 2,842.92 : x
  2. Step 2: Convert to fraction form
    5,339.88/8,014.86 = 2,842.92/x
  3. Step 3: Cross multiply
    5,339.88x = 8,014.86 × 2,842.92
  4. Step 4: Simplify right side
    5,339.88x = 22,785,605.79
  5. Step 5: Solve for x
    x = 22,785,605.79/5,339.88
  6. Step 6: Final answer
    x = 4,267.06

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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.