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Finding the Fourth Proportional to 61,208.38, 91,826.75 and 19,086.22

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Solution

The fourth proportional to 61,208.38, 91,826.75 and 19,086.22 is: 28,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,208.38 : 91,826.75 = 19,086.22 : x
  2. Step 2: Convert to fraction form
    61,208.38/91,826.75 = 19,086.22/x
  3. Step 3: Cross multiply
    61,208.38x = 91,826.75 × 19,086.22
  4. Step 4: Simplify right side
    61,208.38x = 1,752,625,552.39
  5. Step 5: Solve for x
    x = 1,752,625,552.39/61,208.38
  6. Step 6: Final answer
    x = 28,633.75

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1.5x scale

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.