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Finding the Fourth Proportional to 8,144.76, 12,218.12 and 2,596.16

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Solution

The fourth proportional to 8,144.76, 12,218.12 and 2,596.16 is: 3,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.76 : 12,218.12 = 2,596.16 : x
  2. Step 2: Convert to fraction form
    8,144.76/12,218.12 = 2,596.16/x
  3. Step 3: Cross multiply
    8,144.76x = 12,218.12 × 2,596.16
  4. Step 4: Simplify right side
    8,144.76x = 31,720,194.42
  5. Step 5: Solve for x
    x = 31,720,194.42/8,144.76
  6. Step 6: Final answer
    x = 3,894.55

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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.