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Finding the Fourth Proportional to 35,290.94, 48,700.89 and 19,375.28

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Solution

The fourth proportional to 35,290.94, 48,700.89 and 19,375.28 is: 26,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290.94 : 48,700.89 = 19,375.28 : x
  2. Step 2: Convert to fraction form
    35,290.94/48,700.89 = 19,375.28/x
  3. Step 3: Cross multiply
    35,290.94x = 48,700.89 × 19,375.28
  4. Step 4: Simplify right side
    35,290.94x = 943,593,136.49
  5. Step 5: Solve for x
    x = 943,593,136.49/35,290.94
  6. Step 6: Final answer
    x = 26,737.55

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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.