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Finding the Fourth Proportional to 4,493.72, 6,741.68 and 1,373.78

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Solution

The fourth proportional to 4,493.72, 6,741.68 and 1,373.78 is: 2,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493.72 : 6,741.68 = 1,373.78 : x
  2. Step 2: Convert to fraction form
    4,493.72/6,741.68 = 1,373.78/x
  3. Step 3: Cross multiply
    4,493.72x = 6,741.68 × 1,373.78
  4. Step 4: Simplify right side
    4,493.72x = 9,261,544.57
  5. Step 5: Solve for x
    x = 9,261,544.57/4,493.72
  6. Step 6: Final answer
    x = 2,061.00

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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.