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Finding the Fourth Proportional to 3,418.48, 5,127.72 and 2,446.48

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Solution

The fourth proportional to 3,418.48, 5,127.72 and 2,446.48 is: 3,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.48 : 5,127.72 = 2,446.48 : x
  2. Step 2: Convert to fraction form
    3,418.48/5,127.72 = 2,446.48/x
  3. Step 3: Cross multiply
    3,418.48x = 5,127.72 × 2,446.48
  4. Step 4: Simplify right side
    3,418.48x = 12,544,864.43
  5. Step 5: Solve for x
    x = 12,544,864.43/3,418.48
  6. Step 6: Final answer
    x = 3,669.72

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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.