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Finding the Fourth Proportional to 62,822.61, 86,694.17 and 34,527.69

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Solution

The fourth proportional to 62,822.61, 86,694.17 and 34,527.69 is: 47,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,822.61 : 86,694.17 = 34,527.69 : x
  2. Step 2: Convert to fraction form
    62,822.61/86,694.17 = 34,527.69/x
  3. Step 3: Cross multiply
    62,822.61x = 86,694.17 × 34,527.69
  4. Step 4: Simplify right side
    62,822.61x = 2,993,349,253.93
  5. Step 5: Solve for x
    x = 2,993,349,253.93/62,822.61
  6. Step 6: Final answer
    x = 47,647.64

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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.