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Finding the Fourth Proportional to 35,788.71, 49,390.47 and 19,874.19

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Solution

The fourth proportional to 35,788.71, 49,390.47 and 19,874.19 is: 27,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,788.71 : 49,390.47 = 19,874.19 : x
  2. Step 2: Convert to fraction form
    35,788.71/49,390.47 = 19,874.19/x
  3. Step 3: Cross multiply
    35,788.71x = 49,390.47 × 19,874.19
  4. Step 4: Simplify right side
    35,788.71x = 981,595,381.40
  5. Step 5: Solve for x
    x = 981,595,381.40/35,788.71
  6. Step 6: Final answer
    x = 27,427.51

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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.