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Finding the Fourth Proportional to 61,249.76, 84,524.25 and 38,603.37

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Solution

The fourth proportional to 61,249.76, 84,524.25 and 38,603.37 is: 53,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,249.76 : 84,524.25 = 38,603.37 : x
  2. Step 2: Convert to fraction form
    61,249.76/84,524.25 = 38,603.37/x
  3. Step 3: Cross multiply
    61,249.76x = 84,524.25 × 38,603.37
  4. Step 4: Simplify right side
    61,249.76x = 3,262,920,896.72
  5. Step 5: Solve for x
    x = 3,262,920,896.72/61,249.76
  6. Step 6: Final answer
    x = 53,272.39

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1.5x scale

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.