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Finding the Fourth Proportional to 2,654.80, 3,962.80 and 2,462.08

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Solution

The fourth proportional to 2,654.80, 3,962.80 and 2,462.08 is: 3,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.80 : 3,962.80 = 2,462.08 : x
  2. Step 2: Convert to fraction form
    2,654.80/3,962.80 = 2,462.08/x
  3. Step 3: Cross multiply
    2,654.80x = 3,962.80 × 2,462.08
  4. Step 4: Simplify right side
    2,654.80x = 9,756,730.62
  5. Step 5: Solve for x
    x = 9,756,730.62/2,654.80
  6. Step 6: Final answer
    x = 3,675.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.