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Finding the Fourth Proportional to 62,661.84, 86,475.24 and 34,369.44

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Solution

The fourth proportional to 62,661.84, 86,475.24 and 34,369.44 is: 47,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,661.84 : 86,475.24 = 34,369.44 : x
  2. Step 2: Convert to fraction form
    62,661.84/86,475.24 = 34,369.44/x
  3. Step 3: Cross multiply
    62,661.84x = 86,475.24 × 34,369.44
  4. Step 4: Simplify right side
    62,661.84x = 2,972,105,572.67
  5. Step 5: Solve for x
    x = 2,972,105,572.67/62,661.84
  6. Step 6: Final answer
    x = 47,430.87

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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.