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Finding the Fourth Proportional to 2,641.54, 3,645.10 and 2,360.88

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Solution

The fourth proportional to 2,641.54, 3,645.10 and 2,360.88 is: 3,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.54 : 3,645.10 = 2,360.88 : x
  2. Step 2: Convert to fraction form
    2,641.54/3,645.10 = 2,360.88/x
  3. Step 3: Cross multiply
    2,641.54x = 3,645.10 × 2,360.88
  4. Step 4: Simplify right side
    2,641.54x = 8,605,643.69
  5. Step 5: Solve for x
    x = 8,605,643.69/2,641.54
  6. Step 6: Final answer
    x = 3,257.81

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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.