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Finding the Fourth Proportional to 61,663.38, 85,095.47 and 33,369.07

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Solution

The fourth proportional to 61,663.38, 85,095.47 and 33,369.07 is: 46,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.38 : 85,095.47 = 33,369.07 : x
  2. Step 2: Convert to fraction form
    61,663.38/85,095.47 = 33,369.07/x
  3. Step 3: Cross multiply
    61,663.38x = 85,095.47 × 33,369.07
  4. Step 4: Simplify right side
    61,663.38x = 2,839,556,759.77
  5. Step 5: Solve for x
    x = 2,839,556,759.77/61,663.38
  6. Step 6: Final answer
    x = 46,049.32

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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.