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Finding the Fourth Proportional to 2,403.48, 3,604.50 and 671.88

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Solution

The fourth proportional to 2,403.48, 3,604.50 and 671.88 is: 1,007.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.48 : 3,604.50 = 671.88 : x
  2. Step 2: Convert to fraction form
    2,403.48/3,604.50 = 671.88/x
  3. Step 3: Cross multiply
    2,403.48x = 3,604.50 × 671.88
  4. Step 4: Simplify right side
    2,403.48x = 2,421,791.46
  5. Step 5: Solve for x
    x = 2,421,791.46/2,403.48
  6. Step 6: Final answer
    x = 1,007.62

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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.