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Finding the Fourth Proportional to 8,359.84, 12,538.24 and 2,514.88

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Solution

The fourth proportional to 8,359.84, 12,538.24 and 2,514.88 is: 3,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.84 : 12,538.24 = 2,514.88 : x
  2. Step 2: Convert to fraction form
    8,359.84/12,538.24 = 2,514.88/x
  3. Step 3: Cross multiply
    8,359.84x = 12,538.24 × 2,514.88
  4. Step 4: Simplify right side
    8,359.84x = 31,532,169.01
  5. Step 5: Solve for x
    x = 31,532,169.01/8,359.84
  6. Step 6: Final answer
    x = 3,771.86

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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.