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Finding the Fourth Proportional to 35,305.44, 48,721.62 and 19,172.82

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Solution

The fourth proportional to 35,305.44, 48,721.62 and 19,172.82 is: 26,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.44 : 48,721.62 = 19,172.82 : x
  2. Step 2: Convert to fraction form
    35,305.44/48,721.62 = 19,172.82/x
  3. Step 3: Cross multiply
    35,305.44x = 48,721.62 × 19,172.82
  4. Step 4: Simplify right side
    35,305.44x = 934,130,850.37
  5. Step 5: Solve for x
    x = 934,130,850.37/35,305.44
  6. Step 6: Final answer
    x = 26,458.55

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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.