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Finding the Fourth Proportional to 62,739.03, 86,578.77 and 34,444.51

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Solution

The fourth proportional to 62,739.03, 86,578.77 and 34,444.51 is: 47,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,739.03 : 86,578.77 = 34,444.51 : x
  2. Step 2: Convert to fraction form
    62,739.03/86,578.77 = 34,444.51/x
  3. Step 3: Cross multiply
    62,739.03x = 86,578.77 × 34,444.51
  4. Step 4: Simplify right side
    62,739.03x = 2,982,163,309.05
  5. Step 5: Solve for x
    x = 2,982,163,309.05/62,739.03
  6. Step 6: Final answer
    x = 47,532.82

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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.