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Finding the Fourth Proportional to 61,888.22, 85,405.19 and 33,593.88

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Solution

The fourth proportional to 61,888.22, 85,405.19 and 33,593.88 is: 46,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,888.22 : 85,405.19 = 33,593.88 : x
  2. Step 2: Convert to fraction form
    61,888.22/85,405.19 = 33,593.88/x
  3. Step 3: Cross multiply
    61,888.22x = 85,405.19 × 33,593.88
  4. Step 4: Simplify right side
    61,888.22x = 2,869,091,536.27
  5. Step 5: Solve for x
    x = 2,869,091,536.27/61,888.22
  6. Step 6: Final answer
    x = 46,359.25

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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.