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Finding the Fourth Proportional to 35,391.33, 53,067.78 and 17,582.94

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Solution

The fourth proportional to 35,391.33, 53,067.78 and 17,582.94 is: 26,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.33 : 53,067.78 = 17,582.94 : x
  2. Step 2: Convert to fraction form
    35,391.33/53,067.78 = 17,582.94/x
  3. Step 3: Cross multiply
    35,391.33x = 53,067.78 × 17,582.94
  4. Step 4: Simplify right side
    35,391.33x = 933,087,591.67
  5. Step 5: Solve for x
    x = 933,087,591.67/35,391.33
  6. Step 6: Final answer
    x = 26,364.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.