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Finding the Fourth Proportional to 7,791.93, 10,752.84 and 4,255.14

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Solution

The fourth proportional to 7,791.93, 10,752.84 and 4,255.14 is: 5,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.93 : 10,752.84 = 4,255.14 : x
  2. Step 2: Convert to fraction form
    7,791.93/10,752.84 = 4,255.14/x
  3. Step 3: Cross multiply
    7,791.93x = 10,752.84 × 4,255.14
  4. Step 4: Simplify right side
    7,791.93x = 45,754,839.60
  5. Step 5: Solve for x
    x = 45,754,839.60/7,791.93
  6. Step 6: Final answer
    x = 5,872.08

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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.