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Finding the Fourth Proportional to 3,366.60, 5,050.45 and 994.92

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Solution

The fourth proportional to 3,366.60, 5,050.45 and 994.92 is: 1,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.60 : 5,050.45 = 994.92 : x
  2. Step 2: Convert to fraction form
    3,366.60/5,050.45 = 994.92/x
  3. Step 3: Cross multiply
    3,366.60x = 5,050.45 × 994.92
  4. Step 4: Simplify right side
    3,366.60x = 5,024,801.14
  5. Step 5: Solve for x
    x = 5,024,801.14/3,366.60
  6. Step 6: Final answer
    x = 1,492.54

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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.