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Finding the Fourth Proportional to 35,874.84, 49,507.28 and 19,959.29

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Solution

The fourth proportional to 35,874.84, 49,507.28 and 19,959.29 is: 27,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,874.84 : 49,507.28 = 19,959.29 : x
  2. Step 2: Convert to fraction form
    35,874.84/49,507.28 = 19,959.29/x
  3. Step 3: Cross multiply
    35,874.84x = 49,507.28 × 19,959.29
  4. Step 4: Simplify right side
    35,874.84x = 988,129,811.30
  5. Step 5: Solve for x
    x = 988,129,811.30/35,874.84
  6. Step 6: Final answer
    x = 27,543.81

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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.