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Finding the Fourth Proportional to 8,805.50, 13,207.49 and 3,543.41

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Solution

The fourth proportional to 8,805.50, 13,207.49 and 3,543.41 is: 5,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.50 : 13,207.49 = 3,543.41 : x
  2. Step 2: Convert to fraction form
    8,805.50/13,207.49 = 3,543.41/x
  3. Step 3: Cross multiply
    8,805.50x = 13,207.49 × 3,543.41
  4. Step 4: Simplify right side
    8,805.50x = 46,799,552.14
  5. Step 5: Solve for x
    x = 46,799,552.14/8,805.50
  6. Step 6: Final answer
    x = 5,314.81

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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.