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Finding the Fourth Proportional to 61,633.17, 85,053.78 and 33,338.86

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Solution

The fourth proportional to 61,633.17, 85,053.78 and 33,338.86 is: 46,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,633.17 : 85,053.78 = 33,338.86 : x
  2. Step 2: Convert to fraction form
    61,633.17/85,053.78 = 33,338.86/x
  3. Step 3: Cross multiply
    61,633.17x = 85,053.78 × 33,338.86
  4. Step 4: Simplify right side
    61,633.17x = 2,835,595,851.26
  5. Step 5: Solve for x
    x = 2,835,595,851.26/61,633.17
  6. Step 6: Final answer
    x = 46,007.63

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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.