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Finding the Fourth Proportional to 62,960, 86,883.08 and 34,665.84

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Solution

The fourth proportional to 62,960, 86,883.08 and 34,665.84 is: 47,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,960 : 86,883.08 = 34,665.84 : x
  2. Step 2: Convert to fraction form
    62,960/86,883.08 = 34,665.84/x
  3. Step 3: Cross multiply
    62,960x = 86,883.08 × 34,665.84
  4. Step 4: Simplify right side
    62,960x = 3,011,874,949.99
  5. Step 5: Solve for x
    x = 3,011,874,949.99/62,960
  6. Step 6: Final answer
    x = 47,837.91

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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.