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Finding the Fourth Proportional to 65,103.62, 89,844.68 and 36,422.33

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Solution

The fourth proportional to 65,103.62, 89,844.68 and 36,422.33 is: 50,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,103.62 : 89,844.68 = 36,422.33 : x
  2. Step 2: Convert to fraction form
    65,103.62/89,844.68 = 36,422.33/x
  3. Step 3: Cross multiply
    65,103.62x = 89,844.68 × 36,422.33
  4. Step 4: Simplify right side
    65,103.62x = 3,272,352,583.70
  5. Step 5: Solve for x
    x = 3,272,352,583.70/65,103.62
  6. Step 6: Final answer
    x = 50,263.76

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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.