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Finding the Fourth Proportional to 2,843.01, 4,265.53 and 994.63

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Solution

The fourth proportional to 2,843.01, 4,265.53 and 994.63 is: 1,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.01 : 4,265.53 = 994.63 : x
  2. Step 2: Convert to fraction form
    2,843.01/4,265.53 = 994.63/x
  3. Step 3: Cross multiply
    2,843.01x = 4,265.53 × 994.63
  4. Step 4: Simplify right side
    2,843.01x = 4,242,624.10
  5. Step 5: Solve for x
    x = 4,242,624.10/2,843.01
  6. Step 6: Final answer
    x = 1,492.30

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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.