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Finding the Fourth Proportional to 62,992.58, 86,928.95 and 34,696.44

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Solution

The fourth proportional to 62,992.58, 86,928.95 and 34,696.44 is: 47,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,992.58 : 86,928.95 = 34,696.44 : x
  2. Step 2: Convert to fraction form
    62,992.58/86,928.95 = 34,696.44/x
  3. Step 3: Cross multiply
    62,992.58x = 86,928.95 × 34,696.44
  4. Step 4: Simplify right side
    62,992.58x = 3,016,124,924.46
  5. Step 5: Solve for x
    x = 3,016,124,924.46/62,992.58
  6. Step 6: Final answer
    x = 47,880.64

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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.