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Finding the Fourth Proportional to 2,625.78, 3,932.01 and 2,347.14

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Solution

The fourth proportional to 2,625.78, 3,932.01 and 2,347.14 is: 3,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.78 : 3,932.01 = 2,347.14 : x
  2. Step 2: Convert to fraction form
    2,625.78/3,932.01 = 2,347.14/x
  3. Step 3: Cross multiply
    2,625.78x = 3,932.01 × 2,347.14
  4. Step 4: Simplify right side
    2,625.78x = 9,228,977.95
  5. Step 5: Solve for x
    x = 9,228,977.95/2,625.78
  6. Step 6: Final answer
    x = 3,514.76

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1.5x scale

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.