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Finding the Fourth Proportional to 35,494.53, 48,983.03 and 19,578.97

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Solution

The fourth proportional to 35,494.53, 48,983.03 and 19,578.97 is: 27,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,494.53 : 48,983.03 = 19,578.97 : x
  2. Step 2: Convert to fraction form
    35,494.53/48,983.03 = 19,578.97/x
  3. Step 3: Cross multiply
    35,494.53x = 48,983.03 × 19,578.97
  4. Step 4: Simplify right side
    35,494.53x = 959,037,274.88
  5. Step 5: Solve for x
    x = 959,037,274.88/35,494.53
  6. Step 6: Final answer
    x = 27,019.30

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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.