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Finding the Fourth Proportional to 5,503.62, 8,256.99 and 2,169.82

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Solution

The fourth proportional to 5,503.62, 8,256.99 and 2,169.82 is: 3,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.62 : 8,256.99 = 2,169.82 : x
  2. Step 2: Convert to fraction form
    5,503.62/8,256.99 = 2,169.82/x
  3. Step 3: Cross multiply
    5,503.62x = 8,256.99 × 2,169.82
  4. Step 4: Simplify right side
    5,503.62x = 17,916,161.40
  5. Step 5: Solve for x
    x = 17,916,161.40/5,503.62
  6. Step 6: Final answer
    x = 3,255.34

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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.