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Finding the Fourth Proportional to 1,448.41, 1,997.44 and 951.48

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Solution

The fourth proportional to 1,448.41, 1,997.44 and 951.48 is: 1,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.41 : 1,997.44 = 951.48 : x
  2. Step 2: Convert to fraction form
    1,448.41/1,997.44 = 951.48/x
  3. Step 3: Cross multiply
    1,448.41x = 1,997.44 × 951.48
  4. Step 4: Simplify right side
    1,448.41x = 1,900,524.21
  5. Step 5: Solve for x
    x = 1,900,524.21/1,448.41
  6. Step 6: Final answer
    x = 1,312.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.