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Finding the Fourth Proportional to 7,625.38, 10,524.78 and 4,968.16

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Solution

The fourth proportional to 7,625.38, 10,524.78 and 4,968.16 is: 6,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.38 : 10,524.78 = 4,968.16 : x
  2. Step 2: Convert to fraction form
    7,625.38/10,524.78 = 4,968.16/x
  3. Step 3: Cross multiply
    7,625.38x = 10,524.78 × 4,968.16
  4. Step 4: Simplify right side
    7,625.38x = 52,288,791.00
  5. Step 5: Solve for x
    x = 52,288,791.00/7,625.38
  6. Step 6: Final answer
    x = 6,857.20

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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.