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Finding the Fourth Proportional to 61,855.39, 85,360.39 and 33,561.01

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Solution

The fourth proportional to 61,855.39, 85,360.39 and 33,561.01 is: 46,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,855.39 : 85,360.39 = 33,561.01 : x
  2. Step 2: Convert to fraction form
    61,855.39/85,360.39 = 33,561.01/x
  3. Step 3: Cross multiply
    61,855.39x = 85,360.39 × 33,561.01
  4. Step 4: Simplify right side
    61,855.39x = 2,864,780,902.39
  5. Step 5: Solve for x
    x = 2,864,780,902.39/61,855.39
  6. Step 6: Final answer
    x = 46,314.17

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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.