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Finding the Fourth Proportional to 62,856.92, 86,717.81 and 35,984.94

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Solution

The fourth proportional to 62,856.92, 86,717.81 and 35,984.94 is: 49,645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,856.92 : 86,717.81 = 35,984.94 : x
  2. Step 2: Convert to fraction form
    62,856.92/86,717.81 = 35,984.94/x
  3. Step 3: Cross multiply
    62,856.92x = 86,717.81 × 35,984.94
  4. Step 4: Simplify right side
    62,856.92x = 3,120,535,009.86
  5. Step 5: Solve for x
    x = 3,120,535,009.86/62,856.92
  6. Step 6: Final answer
    x = 49,645.06

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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.