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Finding the Fourth Proportional to 61,321.98, 84,623.96 and 34,464.24

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Solution

The fourth proportional to 61,321.98, 84,623.96 and 34,464.24 is: 47,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,321.98 : 84,623.96 = 34,464.24 : x
  2. Step 2: Convert to fraction form
    61,321.98/84,623.96 = 34,464.24/x
  3. Step 3: Cross multiply
    61,321.98x = 84,623.96 × 34,464.24
  4. Step 4: Simplify right side
    61,321.98x = 2,916,500,467.19
  5. Step 5: Solve for x
    x = 2,916,500,467.19/61,321.98
  6. Step 6: Final answer
    x = 47,560.44

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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.