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Finding the Fourth Proportional to 61,536, 84,919.68 and 33,241.69

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Solution

The fourth proportional to 61,536, 84,919.68 and 33,241.69 is: 45,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,536 : 84,919.68 = 33,241.69 : x
  2. Step 2: Convert to fraction form
    61,536/84,919.68 = 33,241.69/x
  3. Step 3: Cross multiply
    61,536x = 84,919.68 × 33,241.69
  4. Step 4: Simplify right side
    61,536x = 2,822,873,465.16
  5. Step 5: Solve for x
    x = 2,822,873,465.16/61,536
  6. Step 6: Final answer
    x = 45,873.53

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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.