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Finding the Fourth Proportional to 8,752.97, 12,074.93 and 5,921.34

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Solution

The fourth proportional to 8,752.97, 12,074.93 and 5,921.34 is: 8,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.97 : 12,074.93 = 5,921.34 : x
  2. Step 2: Convert to fraction form
    8,752.97/12,074.93 = 5,921.34/x
  3. Step 3: Cross multiply
    8,752.97x = 12,074.93 × 5,921.34
  4. Step 4: Simplify right side
    8,752.97x = 71,499,766.01
  5. Step 5: Solve for x
    x = 71,499,766.01/8,752.97
  6. Step 6: Final answer
    x = 8,168.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.