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Finding the Fourth Proportional to 7,612.62, 10,519.11 and 5,938.26

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Solution

The fourth proportional to 7,612.62, 10,519.11 and 5,938.26 is: 8,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.62 : 10,519.11 = 5,938.26 : x
  2. Step 2: Convert to fraction form
    7,612.62/10,519.11 = 5,938.26/x
  3. Step 3: Cross multiply
    7,612.62x = 10,519.11 × 5,938.26
  4. Step 4: Simplify right side
    7,612.62x = 62,465,210.15
  5. Step 5: Solve for x
    x = 62,465,210.15/7,612.62
  6. Step 6: Final answer
    x = 8,205.48

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Double scale
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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.