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Finding the Fourth Proportional to 62,922.84, 86,835.24 and 34,630.32

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Solution

The fourth proportional to 62,922.84, 86,835.24 and 34,630.32 is: 47,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,922.84 : 86,835.24 = 34,630.32 : x
  2. Step 2: Convert to fraction form
    62,922.84/86,835.24 = 34,630.32/x
  3. Step 3: Cross multiply
    62,922.84x = 86,835.24 × 34,630.32
  4. Step 4: Simplify right side
    62,922.84x = 3,007,132,148.48
  5. Step 5: Solve for x
    x = 3,007,132,148.48/62,922.84
  6. Step 6: Final answer
    x = 47,790.79

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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.