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Finding the Fourth Proportional to 4,574.39, 6,845.18 and 3,960.20

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Solution

The fourth proportional to 4,574.39, 6,845.18 and 3,960.20 is: 5,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.39 : 6,845.18 = 3,960.20 : x
  2. Step 2: Convert to fraction form
    4,574.39/6,845.18 = 3,960.20/x
  3. Step 3: Cross multiply
    4,574.39x = 6,845.18 × 3,960.20
  4. Step 4: Simplify right side
    4,574.39x = 27,108,279.15
  5. Step 5: Solve for x
    x = 27,108,279.15/4,574.39
  6. Step 6: Final answer
    x = 5,926.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.