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Finding the Fourth Proportional to 2,473.81, 3,711.57 and 1,771.72

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Solution

The fourth proportional to 2,473.81, 3,711.57 and 1,771.72 is: 2,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.81 : 3,711.57 = 1,771.72 : x
  2. Step 2: Convert to fraction form
    2,473.81/3,711.57 = 1,771.72/x
  3. Step 3: Cross multiply
    2,473.81x = 3,711.57 × 1,771.72
  4. Step 4: Simplify right side
    2,473.81x = 6,575,862.80
  5. Step 5: Solve for x
    x = 6,575,862.80/2,473.81
  6. Step 6: Final answer
    x = 2,658.19

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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.