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Finding the Fourth Proportional to 6,954.60, 10,432.80 and 3,446.40

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Solution

The fourth proportional to 6,954.60, 10,432.80 and 3,446.40 is: 5,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,954.60 : 10,432.80 = 3,446.40 : x
  2. Step 2: Convert to fraction form
    6,954.60/10,432.80 = 3,446.40/x
  3. Step 3: Cross multiply
    6,954.60x = 10,432.80 × 3,446.40
  4. Step 4: Simplify right side
    6,954.60x = 35,955,601.92
  5. Step 5: Solve for x
    x = 35,955,601.92/6,954.60
  6. Step 6: Final answer
    x = 5,170.05

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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.