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Finding the Fourth Proportional to 62,502.76, 86,253.19 and 33,821.79

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Solution

The fourth proportional to 62,502.76, 86,253.19 and 33,821.79 is: 46,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,502.76 : 86,253.19 = 33,821.79 : x
  2. Step 2: Convert to fraction form
    62,502.76/86,253.19 = 33,821.79/x
  3. Step 3: Cross multiply
    62,502.76x = 86,253.19 × 33,821.79
  4. Step 4: Simplify right side
    62,502.76x = 2,917,237,279.01
  5. Step 5: Solve for x
    x = 2,917,237,279.01/62,502.76
  6. Step 6: Final answer
    x = 46,673.74

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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.