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Finding the Fourth Proportional to 61,663.40, 85,095.49 and 33,369.09

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Solution

The fourth proportional to 61,663.40, 85,095.49 and 33,369.09 is: 46,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.40 : 85,095.49 = 33,369.09 : x
  2. Step 2: Convert to fraction form
    61,663.40/85,095.49 = 33,369.09/x
  3. Step 3: Cross multiply
    61,663.40x = 85,095.49 × 33,369.09
  4. Step 4: Simplify right side
    61,663.40x = 2,839,558,638.93
  5. Step 5: Solve for x
    x = 2,839,558,638.93/61,663.40
  6. Step 6: Final answer
    x = 46,049.34

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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.