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Finding the Fourth Proportional to 8,260.65, 12,393.14 and 2,714.85

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Solution

The fourth proportional to 8,260.65, 12,393.14 and 2,714.85 is: 4,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.65 : 12,393.14 = 2,714.85 : x
  2. Step 2: Convert to fraction form
    8,260.65/12,393.14 = 2,714.85/x
  3. Step 3: Cross multiply
    8,260.65x = 12,393.14 × 2,714.85
  4. Step 4: Simplify right side
    8,260.65x = 33,645,502.55
  5. Step 5: Solve for x
    x = 33,645,502.55/8,260.65
  6. Step 6: Final answer
    x = 4,072.98

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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.