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Finding the Fourth Proportional to 2,780.97, 4,167.99 and 2,433.48

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Solution

The fourth proportional to 2,780.97, 4,167.99 and 2,433.48 is: 3,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.97 : 4,167.99 = 2,433.48 : x
  2. Step 2: Convert to fraction form
    2,780.97/4,167.99 = 2,433.48/x
  3. Step 3: Cross multiply
    2,780.97x = 4,167.99 × 2,433.48
  4. Step 4: Simplify right side
    2,780.97x = 10,142,720.31
  5. Step 5: Solve for x
    x = 10,142,720.31/2,780.97
  6. Step 6: Final answer
    x = 3,647.19

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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.