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Finding the Fourth Proportional to 61,571.39, 84,967.88 and 34,722.59

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Solution

The fourth proportional to 61,571.39, 84,967.88 and 34,722.59 is: 47,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,571.39 : 84,967.88 = 34,722.59 : x
  2. Step 2: Convert to fraction form
    61,571.39/84,967.88 = 34,722.59/x
  3. Step 3: Cross multiply
    61,571.39x = 84,967.88 × 34,722.59
  4. Step 4: Simplify right side
    61,571.39x = 2,950,304,261.96
  5. Step 5: Solve for x
    x = 2,950,304,261.96/61,571.39
  6. Step 6: Final answer
    x = 47,916.81

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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.