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Finding the Fourth Proportional to 65,050.70, 89,770.11 and 36,371.38

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Solution

The fourth proportional to 65,050.70, 89,770.11 and 36,371.38 is: 50,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,050.70 : 89,770.11 = 36,371.38 : x
  2. Step 2: Convert to fraction form
    65,050.70/89,770.11 = 36,371.38/x
  3. Step 3: Cross multiply
    65,050.70x = 89,770.11 × 36,371.38
  4. Step 4: Simplify right side
    65,050.70x = 3,265,062,590.95
  5. Step 5: Solve for x
    x = 3,265,062,590.95/65,050.70
  6. Step 6: Final answer
    x = 50,192.59

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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.