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Finding the Fourth Proportional to 2,445.74, 3,668.98 and 801.88

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Solution

The fourth proportional to 2,445.74, 3,668.98 and 801.88 is: 1,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.74 : 3,668.98 = 801.88 : x
  2. Step 2: Convert to fraction form
    2,445.74/3,668.98 = 801.88/x
  3. Step 3: Cross multiply
    2,445.74x = 3,668.98 × 801.88
  4. Step 4: Simplify right side
    2,445.74x = 2,942,081.68
  5. Step 5: Solve for x
    x = 2,942,081.68/2,445.74
  6. Step 6: Final answer
    x = 1,202.94

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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.