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Finding the Fourth Proportional to 61,063.57, 91,601.16 and 18,944.11

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Solution

The fourth proportional to 61,063.57, 91,601.16 and 18,944.11 is: 28,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,063.57 : 91,601.16 = 18,944.11 : x
  2. Step 2: Convert to fraction form
    61,063.57/91,601.16 = 18,944.11/x
  3. Step 3: Cross multiply
    61,063.57x = 91,601.16 × 18,944.11
  4. Step 4: Simplify right side
    61,063.57x = 1,735,302,451.17
  5. Step 5: Solve for x
    x = 1,735,302,451.17/61,063.57
  6. Step 6: Final answer
    x = 28,417.97

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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.