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Finding the Fourth Proportional to 5,591.95, 8,387.98 and 1,696.36

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Solution

The fourth proportional to 5,591.95, 8,387.98 and 1,696.36 is: 2,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.95 : 8,387.98 = 1,696.36 : x
  2. Step 2: Convert to fraction form
    5,591.95/8,387.98 = 1,696.36/x
  3. Step 3: Cross multiply
    5,591.95x = 8,387.98 × 1,696.36
  4. Step 4: Simplify right side
    5,591.95x = 14,229,029.04
  5. Step 5: Solve for x
    x = 14,229,029.04/5,591.95
  6. Step 6: Final answer
    x = 2,544.55

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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.