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Finding the Fourth Proportional to 8,344.56, 12,518.84 and 2,797.92

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Solution

The fourth proportional to 8,344.56, 12,518.84 and 2,797.92 is: 4,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.56 : 12,518.84 = 2,797.92 : x
  2. Step 2: Convert to fraction form
    8,344.56/12,518.84 = 2,797.92/x
  3. Step 3: Cross multiply
    8,344.56x = 12,518.84 × 2,797.92
  4. Step 4: Simplify right side
    8,344.56x = 35,026,712.81
  5. Step 5: Solve for x
    x = 35,026,712.81/8,344.56
  6. Step 6: Final answer
    x = 4,197.55

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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.