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Finding the Fourth Proportional to 2,462.49, 3,693.39 and 707.64

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Solution

The fourth proportional to 2,462.49, 3,693.39 and 707.64 is: 1,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.49 : 3,693.39 = 707.64 : x
  2. Step 2: Convert to fraction form
    2,462.49/3,693.39 = 707.64/x
  3. Step 3: Cross multiply
    2,462.49x = 3,693.39 × 707.64
  4. Step 4: Simplify right side
    2,462.49x = 2,613,590.50
  5. Step 5: Solve for x
    x = 2,613,590.50/2,462.49
  6. Step 6: Final answer
    x = 1,061.36

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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.