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Finding the Fourth Proportional to 3,294.69, 4,546.75 and 1,968.15

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Solution

The fourth proportional to 3,294.69, 4,546.75 and 1,968.15 is: 2,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.69 : 4,546.75 = 1,968.15 : x
  2. Step 2: Convert to fraction form
    3,294.69/4,546.75 = 1,968.15/x
  3. Step 3: Cross multiply
    3,294.69x = 4,546.75 × 1,968.15
  4. Step 4: Simplify right side
    3,294.69x = 8,948,686.01
  5. Step 5: Solve for x
    x = 8,948,686.01/3,294.69
  6. Step 6: Final answer
    x = 2,716.09

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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.