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Finding the Fourth Proportional to 2,959.54, 4,433.77 and 2,655.25

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Solution

The fourth proportional to 2,959.54, 4,433.77 and 2,655.25 is: 3,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.54 : 4,433.77 = 2,655.25 : x
  2. Step 2: Convert to fraction form
    2,959.54/4,433.77 = 2,655.25/x
  3. Step 3: Cross multiply
    2,959.54x = 4,433.77 × 2,655.25
  4. Step 4: Simplify right side
    2,959.54x = 11,772,767.79
  5. Step 5: Solve for x
    x = 11,772,767.79/2,959.54
  6. Step 6: Final answer
    x = 3,977.90

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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.