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Finding the Fourth Proportional to 61,903.22, 92,819.97 and 19,773.40

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Solution

The fourth proportional to 61,903.22, 92,819.97 and 19,773.40 is: 29,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,903.22 : 92,819.97 = 19,773.40 : x
  2. Step 2: Convert to fraction form
    61,903.22/92,819.97 = 19,773.40/x
  3. Step 3: Cross multiply
    61,903.22x = 92,819.97 × 19,773.40
  4. Step 4: Simplify right side
    61,903.22x = 1,835,366,162.75
  5. Step 5: Solve for x
    x = 1,835,366,162.75/61,903.22
  6. Step 6: Final answer
    x = 29,648.96

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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.