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Finding the Fourth Proportional to 3,081.79, 4,624.17 and 1,522.90

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Solution

The fourth proportional to 3,081.79, 4,624.17 and 1,522.90 is: 2,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.79 : 4,624.17 = 1,522.90 : x
  2. Step 2: Convert to fraction form
    3,081.79/4,624.17 = 1,522.90/x
  3. Step 3: Cross multiply
    3,081.79x = 4,624.17 × 1,522.90
  4. Step 4: Simplify right side
    3,081.79x = 7,042,148.49
  5. Step 5: Solve for x
    x = 7,042,148.49/3,081.79
  6. Step 6: Final answer
    x = 2,285.08

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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.