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Finding the Fourth Proportional to 61,463.88, 84,828.60 and 34,617.24

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Solution

The fourth proportional to 61,463.88, 84,828.60 and 34,617.24 is: 47,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,463.88 : 84,828.60 = 34,617.24 : x
  2. Step 2: Convert to fraction form
    61,463.88/84,828.60 = 34,617.24/x
  3. Step 3: Cross multiply
    61,463.88x = 84,828.60 × 34,617.24
  4. Step 4: Simplify right side
    61,463.88x = 2,936,532,005.06
  5. Step 5: Solve for x
    x = 2,936,532,005.06/61,463.88
  6. Step 6: Final answer
    x = 47,776.55

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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.