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Finding the Fourth Proportional to 3,373.78, 4,655.84 and 1,881.73

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Solution

The fourth proportional to 3,373.78, 4,655.84 and 1,881.73 is: 2,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.78 : 4,655.84 = 1,881.73 : x
  2. Step 2: Convert to fraction form
    3,373.78/4,655.84 = 1,881.73/x
  3. Step 3: Cross multiply
    3,373.78x = 4,655.84 × 1,881.73
  4. Step 4: Simplify right side
    3,373.78x = 8,761,033.80
  5. Step 5: Solve for x
    x = 8,761,033.80/3,373.78
  6. Step 6: Final answer
    x = 2,596.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.