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Finding the Fourth Proportional to 8,348.55, 12,519.16 and 2,503.79

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Solution

The fourth proportional to 8,348.55, 12,519.16 and 2,503.79 is: 3,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.55 : 12,519.16 = 2,503.79 : x
  2. Step 2: Convert to fraction form
    8,348.55/12,519.16 = 2,503.79/x
  3. Step 3: Cross multiply
    8,348.55x = 12,519.16 × 2,503.79
  4. Step 4: Simplify right side
    8,348.55x = 31,345,396.13
  5. Step 5: Solve for x
    x = 31,345,396.13/8,348.55
  6. Step 6: Final answer
    x = 3,754.59

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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.