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Finding the Fourth Proportional to 53,592.81, 73,959.81 and 29,721.72

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Solution

The fourth proportional to 53,592.81, 73,959.81 and 29,721.72 is: 41,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,592.81 : 73,959.81 = 29,721.72 : x
  2. Step 2: Convert to fraction form
    53,592.81/73,959.81 = 29,721.72/x
  3. Step 3: Cross multiply
    53,592.81x = 73,959.81 × 29,721.72
  4. Step 4: Simplify right side
    53,592.81x = 2,198,212,764.07
  5. Step 5: Solve for x
    x = 2,198,212,764.07/53,592.81
  6. Step 6: Final answer
    x = 41,016.93

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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.