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Finding the Fourth Proportional to 62,939.36, 86,856.36 and 34,645.52

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Solution

The fourth proportional to 62,939.36, 86,856.36 and 34,645.52 is: 47,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,939.36 : 86,856.36 = 34,645.52 : x
  2. Step 2: Convert to fraction form
    62,939.36/86,856.36 = 34,645.52/x
  3. Step 3: Cross multiply
    62,939.36x = 86,856.36 × 34,645.52
  4. Step 4: Simplify right side
    62,939.36x = 3,009,183,757.51
  5. Step 5: Solve for x
    x = 3,009,183,757.51/62,939.36
  6. Step 6: Final answer
    x = 47,810.84

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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.