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Finding the Fourth Proportional to 65,906.68, 90,951.24 and 36,098.68

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Solution

The fourth proportional to 65,906.68, 90,951.24 and 36,098.68 is: 49,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,906.68 : 90,951.24 = 36,098.68 : x
  2. Step 2: Convert to fraction form
    65,906.68/90,951.24 = 36,098.68/x
  3. Step 3: Cross multiply
    65,906.68x = 90,951.24 × 36,098.68
  4. Step 4: Simplify right side
    65,906.68x = 3,283,219,708.36
  5. Step 5: Solve for x
    x = 3,283,219,708.36/65,906.68
  6. Step 6: Final answer
    x = 49,816.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.