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Finding the Fourth Proportional to 3,246.54, 4,894.31 and 3,144.48

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Solution

The fourth proportional to 3,246.54, 4,894.31 and 3,144.48 is: 4,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.54 : 4,894.31 = 3,144.48 : x
  2. Step 2: Convert to fraction form
    3,246.54/4,894.31 = 3,144.48/x
  3. Step 3: Cross multiply
    3,246.54x = 4,894.31 × 3,144.48
  4. Step 4: Simplify right side
    3,246.54x = 15,390,044.19
  5. Step 5: Solve for x
    x = 15,390,044.19/3,246.54
  6. Step 6: Final answer
    x = 4,740.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.