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Finding the Fourth Proportional to 62,964.66, 86,892.79 and 34,285.89

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Solution

The fourth proportional to 62,964.66, 86,892.79 and 34,285.89 is: 47,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,964.66 : 86,892.79 = 34,285.89 : x
  2. Step 2: Convert to fraction form
    62,964.66/86,892.79 = 34,285.89/x
  3. Step 3: Cross multiply
    62,964.66x = 86,892.79 × 34,285.89
  4. Step 4: Simplify right side
    62,964.66x = 2,979,196,639.73
  5. Step 5: Solve for x
    x = 2,979,196,639.73/62,964.66
  6. Step 6: Final answer
    x = 47,315.38

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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.