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Finding the Fourth Proportional to 2,471, 3,704.56 and 1,237.77

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Solution

The fourth proportional to 2,471, 3,704.56 and 1,237.77 is: 1,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471 : 3,704.56 = 1,237.77 : x
  2. Step 2: Convert to fraction form
    2,471/3,704.56 = 1,237.77/x
  3. Step 3: Cross multiply
    2,471x = 3,704.56 × 1,237.77
  4. Step 4: Simplify right side
    2,471x = 4,585,393.23
  5. Step 5: Solve for x
    x = 4,585,393.23/2,471
  6. Step 6: Final answer
    x = 1,855.68

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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.