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Finding the Fourth Proportional to 40,694.30, 61,035.60 and 15,746.12

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Solution

The fourth proportional to 40,694.30, 61,035.60 and 15,746.12 is: 23,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,694.30 : 61,035.60 = 15,746.12 : x
  2. Step 2: Convert to fraction form
    40,694.30/61,035.60 = 15,746.12/x
  3. Step 3: Cross multiply
    40,694.30x = 61,035.60 × 15,746.12
  4. Step 4: Simplify right side
    40,694.30x = 961,073,881.87
  5. Step 5: Solve for x
    x = 961,073,881.87/40,694.30
  6. Step 6: Final answer
    x = 23,616.92

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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.