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Finding the Fourth Proportional to 61,861.59, 92,797.58 and 19,747.68

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Solution

The fourth proportional to 61,861.59, 92,797.58 and 19,747.68 is: 29,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,861.59 : 92,797.58 = 19,747.68 : x
  2. Step 2: Convert to fraction form
    61,861.59/92,797.58 = 19,747.68/x
  3. Step 3: Cross multiply
    61,861.59x = 92,797.58 × 19,747.68
  4. Step 4: Simplify right side
    61,861.59x = 1,832,537,137.98
  5. Step 5: Solve for x
    x = 1,832,537,137.98/61,861.59
  6. Step 6: Final answer
    x = 29,623.18

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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.