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Finding the Fourth Proportional to 35,053.97, 48,376.44 and 19,139.90

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Solution

The fourth proportional to 35,053.97, 48,376.44 and 19,139.90 is: 26,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,053.97 : 48,376.44 = 19,139.90 : x
  2. Step 2: Convert to fraction form
    35,053.97/48,376.44 = 19,139.90/x
  3. Step 3: Cross multiply
    35,053.97x = 48,376.44 × 19,139.90
  4. Step 4: Simplify right side
    35,053.97x = 925,919,982.07
  5. Step 5: Solve for x
    x = 925,919,982.07/35,053.97
  6. Step 6: Final answer
    x = 26,414.13

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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.