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Finding the Fourth Proportional to 4,881.60, 7,323.78 and 2,249.94

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Solution

The fourth proportional to 4,881.60, 7,323.78 and 2,249.94 is: 3,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.60 : 7,323.78 = 2,249.94 : x
  2. Step 2: Convert to fraction form
    4,881.60/7,323.78 = 2,249.94/x
  3. Step 3: Cross multiply
    4,881.60x = 7,323.78 × 2,249.94
  4. Step 4: Simplify right side
    4,881.60x = 16,478,065.57
  5. Step 5: Solve for x
    x = 16,478,065.57/4,881.60
  6. Step 6: Final answer
    x = 3,375.55

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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.