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Finding the Fourth Proportional to 3,344.48, 5,012.16 and 1,954.88

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Solution

The fourth proportional to 3,344.48, 5,012.16 and 1,954.88 is: 2,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.48 : 5,012.16 = 1,954.88 : x
  2. Step 2: Convert to fraction form
    3,344.48/5,012.16 = 1,954.88/x
  3. Step 3: Cross multiply
    3,344.48x = 5,012.16 × 1,954.88
  4. Step 4: Simplify right side
    3,344.48x = 9,798,171.34
  5. Step 5: Solve for x
    x = 9,798,171.34/3,344.48
  6. Step 6: Final answer
    x = 2,929.65

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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.