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Finding the Fourth Proportional to 3,453.69, 4,766.11 and 1,881.79

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Solution

The fourth proportional to 3,453.69, 4,766.11 and 1,881.79 is: 2,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.69 : 4,766.11 = 1,881.79 : x
  2. Step 2: Convert to fraction form
    3,453.69/4,766.11 = 1,881.79/x
  3. Step 3: Cross multiply
    3,453.69x = 4,766.11 × 1,881.79
  4. Step 4: Simplify right side
    3,453.69x = 8,968,801.52
  5. Step 5: Solve for x
    x = 8,968,801.52/3,453.69
  6. Step 6: Final answer
    x = 2,596.87

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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.