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Finding the Fourth Proportional to 7,625.62, 10,523.28 and 4,439.62

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Solution

The fourth proportional to 7,625.62, 10,523.28 and 4,439.62 is: 6,126.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.62 : 10,523.28 = 4,439.62 : x
  2. Step 2: Convert to fraction form
    7,625.62/10,523.28 = 4,439.62/x
  3. Step 3: Cross multiply
    7,625.62x = 10,523.28 × 4,439.62
  4. Step 4: Simplify right side
    7,625.62x = 46,719,364.35
  5. Step 5: Solve for x
    x = 46,719,364.35/7,625.62
  6. Step 6: Final answer
    x = 6,126.63

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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.