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Finding the Fourth Proportional to 1,496.12, 2,245.78 and 848.12

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Solution

The fourth proportional to 1,496.12, 2,245.78 and 848.12 is: 1,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.12 : 2,245.78 = 848.12 : x
  2. Step 2: Convert to fraction form
    1,496.12/2,245.78 = 848.12/x
  3. Step 3: Cross multiply
    1,496.12x = 2,245.78 × 848.12
  4. Step 4: Simplify right side
    1,496.12x = 1,904,690.93
  5. Step 5: Solve for x
    x = 1,904,690.93/1,496.12
  6. Step 6: Final answer
    x = 1,273.09

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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.