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Finding the Fourth Proportional to 5,927.60, 8,891.19 and 2,809.10

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Solution

The fourth proportional to 5,927.60, 8,891.19 and 2,809.10 is: 4,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.60 : 8,891.19 = 2,809.10 : x
  2. Step 2: Convert to fraction form
    5,927.60/8,891.19 = 2,809.10/x
  3. Step 3: Cross multiply
    5,927.60x = 8,891.19 × 2,809.10
  4. Step 4: Simplify right side
    5,927.60x = 24,976,197.37
  5. Step 5: Solve for x
    x = 24,976,197.37/5,927.60
  6. Step 6: Final answer
    x = 4,213.55

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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.