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Finding the Fourth Proportional to 3,589.56, 4,943.52 and 2,894.58

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Solution

The fourth proportional to 3,589.56, 4,943.52 and 2,894.58 is: 3,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.56 : 4,943.52 = 2,894.58 : x
  2. Step 2: Convert to fraction form
    3,589.56/4,943.52 = 2,894.58/x
  3. Step 3: Cross multiply
    3,589.56x = 4,943.52 × 2,894.58
  4. Step 4: Simplify right side
    3,589.56x = 14,309,414.12
  5. Step 5: Solve for x
    x = 14,309,414.12/3,589.56
  6. Step 6: Final answer
    x = 3,986.40

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1.5x scale

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.