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Finding the Fourth Proportional to 5,988.20, 8,264.16 and 3,968.19

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Solution

The fourth proportional to 5,988.20, 8,264.16 and 3,968.19 is: 5,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.20 : 8,264.16 = 3,968.19 : x
  2. Step 2: Convert to fraction form
    5,988.20/8,264.16 = 3,968.19/x
  3. Step 3: Cross multiply
    5,988.20x = 8,264.16 × 3,968.19
  4. Step 4: Simplify right side
    5,988.20x = 32,793,757.07
  5. Step 5: Solve for x
    x = 32,793,757.07/5,988.20
  6. Step 6: Final answer
    x = 5,476.40

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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.