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Finding the Fourth Proportional to 3,373.80, 4,655.87 and 1,881.81

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Solution

The fourth proportional to 3,373.80, 4,655.87 and 1,881.81 is: 2,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.80 : 4,655.87 = 1,881.81 : x
  2. Step 2: Convert to fraction form
    3,373.80/4,655.87 = 1,881.81/x
  3. Step 3: Cross multiply
    3,373.80x = 4,655.87 × 1,881.81
  4. Step 4: Simplify right side
    3,373.80x = 8,761,453.32
  5. Step 5: Solve for x
    x = 8,761,453.32/3,373.80
  6. Step 6: Final answer
    x = 2,596.91

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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.