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Finding the Fourth Proportional to 5,772.39, 7,968.96 and 4,443.18

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Solution

The fourth proportional to 5,772.39, 7,968.96 and 4,443.18 is: 6,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.39 : 7,968.96 = 4,443.18 : x
  2. Step 2: Convert to fraction form
    5,772.39/7,968.96 = 4,443.18/x
  3. Step 3: Cross multiply
    5,772.39x = 7,968.96 × 4,443.18
  4. Step 4: Simplify right side
    5,772.39x = 35,407,523.69
  5. Step 5: Solve for x
    x = 35,407,523.69/5,772.39
  6. Step 6: Final answer
    x = 6,133.95

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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.