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Finding the Fourth Proportional to 62,858.13, 86,731.80 and 35,263.71

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Solution

The fourth proportional to 62,858.13, 86,731.80 and 35,263.71 is: 48,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,858.13 : 86,731.80 = 35,263.71 : x
  2. Step 2: Convert to fraction form
    62,858.13/86,731.80 = 35,263.71/x
  3. Step 3: Cross multiply
    62,858.13x = 86,731.80 × 35,263.71
  4. Step 4: Simplify right side
    62,858.13x = 3,058,485,042.98
  5. Step 5: Solve for x
    x = 3,058,485,042.98/62,858.13
  6. Step 6: Final answer
    x = 48,656.95

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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.