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Finding the Fourth Proportional to 1,894.38, 2,837.85 and 967.20

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Solution

The fourth proportional to 1,894.38, 2,837.85 and 967.20 is: 1,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.38 : 2,837.85 = 967.20 : x
  2. Step 2: Convert to fraction form
    1,894.38/2,837.85 = 967.20/x
  3. Step 3: Cross multiply
    1,894.38x = 2,837.85 × 967.20
  4. Step 4: Simplify right side
    1,894.38x = 2,744,768.52
  5. Step 5: Solve for x
    x = 2,744,768.52/1,894.38
  6. Step 6: Final answer
    x = 1,448.90

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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.