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Finding the Fourth Proportional to 61,015.88, 84,197.79 and 33,790.01

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Solution

The fourth proportional to 61,015.88, 84,197.79 and 33,790.01 is: 46,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,015.88 : 84,197.79 = 33,790.01 : x
  2. Step 2: Convert to fraction form
    61,015.88/84,197.79 = 33,790.01/x
  3. Step 3: Cross multiply
    61,015.88x = 84,197.79 × 33,790.01
  4. Step 4: Simplify right side
    61,015.88x = 2,845,044,166.08
  5. Step 5: Solve for x
    x = 2,845,044,166.08/61,015.88
  6. Step 6: Final answer
    x = 46,627.93

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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.