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Finding the Fourth Proportional to 62,797.84, 86,665.26 and 34,503.88

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Solution

The fourth proportional to 62,797.84, 86,665.26 and 34,503.88 is: 47,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,797.84 : 86,665.26 = 34,503.88 : x
  2. Step 2: Convert to fraction form
    62,797.84/86,665.26 = 34,503.88/x
  3. Step 3: Cross multiply
    62,797.84x = 86,665.26 × 34,503.88
  4. Step 4: Simplify right side
    62,797.84x = 2,990,287,731.21
  5. Step 5: Solve for x
    x = 2,990,287,731.21/62,797.84
  6. Step 6: Final answer
    x = 47,617.68

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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.