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Finding the Fourth Proportional to 3,648.78, 5,037.39 and 2,410.38

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Solution

The fourth proportional to 3,648.78, 5,037.39 and 2,410.38 is: 3,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.78 : 5,037.39 = 2,410.38 : x
  2. Step 2: Convert to fraction form
    3,648.78/5,037.39 = 2,410.38/x
  3. Step 3: Cross multiply
    3,648.78x = 5,037.39 × 2,410.38
  4. Step 4: Simplify right side
    3,648.78x = 12,142,024.11
  5. Step 5: Solve for x
    x = 12,142,024.11/3,648.78
  6. Step 6: Final answer
    x = 3,327.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.