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Finding the Fourth Proportional to 5,503.91, 8,256.49 and 1,995.56

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Solution

The fourth proportional to 5,503.91, 8,256.49 and 1,995.56 is: 2,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.91 : 8,256.49 = 1,995.56 : x
  2. Step 2: Convert to fraction form
    5,503.91/8,256.49 = 1,995.56/x
  3. Step 3: Cross multiply
    5,503.91x = 8,256.49 × 1,995.56
  4. Step 4: Simplify right side
    5,503.91x = 16,476,343.13
  5. Step 5: Solve for x
    x = 16,476,343.13/5,503.91
  6. Step 6: Final answer
    x = 2,993.57

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Double scale
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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.