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Finding the Fourth Proportional to 62,763.81, 86,614.52 and 35,904.66

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Solution

The fourth proportional to 62,763.81, 86,614.52 and 35,904.66 is: 49,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,763.81 : 86,614.52 = 35,904.66 : x
  2. Step 2: Convert to fraction form
    62,763.81/86,614.52 = 35,904.66/x
  3. Step 3: Cross multiply
    62,763.81x = 86,614.52 × 35,904.66
  4. Step 4: Simplify right side
    62,763.81x = 3,109,864,891.66
  5. Step 5: Solve for x
    x = 3,109,864,891.66/62,763.81
  6. Step 6: Final answer
    x = 49,548.70

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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.