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Finding the Fourth Proportional to 4,663.92, 6,987.04 and 2,758.54

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Solution

The fourth proportional to 4,663.92, 6,987.04 and 2,758.54 is: 4,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.92 : 6,987.04 = 2,758.54 : x
  2. Step 2: Convert to fraction form
    4,663.92/6,987.04 = 2,758.54/x
  3. Step 3: Cross multiply
    4,663.92x = 6,987.04 × 2,758.54
  4. Step 4: Simplify right side
    4,663.92x = 19,274,029.32
  5. Step 5: Solve for x
    x = 19,274,029.32/4,663.92
  6. Step 6: Final answer
    x = 4,132.58

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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.