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Finding the Fourth Proportional to 5,908.90, 8,867.40 and 3,276.40

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Solution

The fourth proportional to 5,908.90, 8,867.40 and 3,276.40 is: 4,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.90 : 8,867.40 = 3,276.40 : x
  2. Step 2: Convert to fraction form
    5,908.90/8,867.40 = 3,276.40/x
  3. Step 3: Cross multiply
    5,908.90x = 8,867.40 × 3,276.40
  4. Step 4: Simplify right side
    5,908.90x = 29,053,149.36
  5. Step 5: Solve for x
    x = 29,053,149.36/5,908.90
  6. Step 6: Final answer
    x = 4,916.85

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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.