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Finding the Fourth Proportional to 65,360.96, 90,197.28 and 35,552.96

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Solution

The fourth proportional to 65,360.96, 90,197.28 and 35,552.96 is: 49,062.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,360.96 : 90,197.28 = 35,552.96 : x
  2. Step 2: Convert to fraction form
    65,360.96/90,197.28 = 35,552.96/x
  3. Step 3: Cross multiply
    65,360.96x = 90,197.28 × 35,552.96
  4. Step 4: Simplify right side
    65,360.96x = 3,206,780,287.95
  5. Step 5: Solve for x
    x = 3,206,780,287.95/65,360.96
  6. Step 6: Final answer
    x = 49,062.63

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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.