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Finding the Fourth Proportional to 62,969.58, 86,895.36 and 36,092.88

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Solution

The fourth proportional to 62,969.58, 86,895.36 and 36,092.88 is: 49,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,969.58 : 86,895.36 = 36,092.88 : x
  2. Step 2: Convert to fraction form
    62,969.58/86,895.36 = 36,092.88/x
  3. Step 3: Cross multiply
    62,969.58x = 86,895.36 × 36,092.88
  4. Step 4: Simplify right side
    62,969.58x = 3,136,303,801.04
  5. Step 5: Solve for x
    x = 3,136,303,801.04/62,969.58
  6. Step 6: Final answer
    x = 49,806.65

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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.