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Finding the Fourth Proportional to 61,496.11, 92,207.72 and 21,495.88

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Solution

The fourth proportional to 61,496.11, 92,207.72 and 21,495.88 is: 32,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,496.11 : 92,207.72 = 21,495.88 : x
  2. Step 2: Convert to fraction form
    61,496.11/92,207.72 = 21,495.88/x
  3. Step 3: Cross multiply
    61,496.11x = 92,207.72 × 21,495.88
  4. Step 4: Simplify right side
    61,496.11x = 1,982,086,132.28
  5. Step 5: Solve for x
    x = 1,982,086,132.28/61,496.11
  6. Step 6: Final answer
    x = 32,231.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.