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Finding the Fourth Proportional to 8,751.06, 13,125.78 and 3,204.18

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Solution

The fourth proportional to 8,751.06, 13,125.78 and 3,204.18 is: 4,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.06 : 13,125.78 = 3,204.18 : x
  2. Step 2: Convert to fraction form
    8,751.06/13,125.78 = 3,204.18/x
  3. Step 3: Cross multiply
    8,751.06x = 13,125.78 × 3,204.18
  4. Step 4: Simplify right side
    8,751.06x = 42,057,361.76
  5. Step 5: Solve for x
    x = 42,057,361.76/8,751.06
  6. Step 6: Final answer
    x = 4,805.97

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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.