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Finding the Fourth Proportional to 65,860.62, 90,887.67 and 36,052.62

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Solution

The fourth proportional to 65,860.62, 90,887.67 and 36,052.62 is: 49,752.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,860.62 : 90,887.67 = 36,052.62 : x
  2. Step 2: Convert to fraction form
    65,860.62/90,887.67 = 36,052.62/x
  3. Step 3: Cross multiply
    65,860.62x = 90,887.67 × 36,052.62
  4. Step 4: Simplify right side
    65,860.62x = 3,276,738,629.20
  5. Step 5: Solve for x
    x = 3,276,738,629.20/65,860.62
  6. Step 6: Final answer
    x = 49,752.62

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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.