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Finding the Fourth Proportional to 65,041.38, 89,758.80 and 36,360.23

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Solution

The fourth proportional to 65,041.38, 89,758.80 and 36,360.23 is: 50,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,041.38 : 89,758.80 = 36,360.23 : x
  2. Step 2: Convert to fraction form
    65,041.38/89,758.80 = 36,360.23/x
  3. Step 3: Cross multiply
    65,041.38x = 89,758.80 × 36,360.23
  4. Step 4: Simplify right side
    65,041.38x = 3,263,650,163.73
  5. Step 5: Solve for x
    x = 3,263,650,163.73/65,041.38
  6. Step 6: Final answer
    x = 50,178.06

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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.