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Finding the Fourth Proportional to 2,863.17, 4,296.59 and 2,839.74

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Solution

The fourth proportional to 2,863.17, 4,296.59 and 2,839.74 is: 4,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.17 : 4,296.59 = 2,839.74 : x
  2. Step 2: Convert to fraction form
    2,863.17/4,296.59 = 2,839.74/x
  3. Step 3: Cross multiply
    2,863.17x = 4,296.59 × 2,839.74
  4. Step 4: Simplify right side
    2,863.17x = 12,201,168.18
  5. Step 5: Solve for x
    x = 12,201,168.18/2,863.17
  6. Step 6: Final answer
    x = 4,261.41

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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.