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Finding the Fourth Proportional to 2,474.91, 3,712.35 and 994.80

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Solution

The fourth proportional to 2,474.91, 3,712.35 and 994.80 is: 1,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.91 : 3,712.35 = 994.80 : x
  2. Step 2: Convert to fraction form
    2,474.91/3,712.35 = 994.80/x
  3. Step 3: Cross multiply
    2,474.91x = 3,712.35 × 994.80
  4. Step 4: Simplify right side
    2,474.91x = 3,693,045.78
  5. Step 5: Solve for x
    x = 3,693,045.78/2,474.91
  6. Step 6: Final answer
    x = 1,492.19

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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.