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Finding the Fourth Proportional to 63,505.92, 87,626.70 and 36,649.56

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Solution

The fourth proportional to 63,505.92, 87,626.70 and 36,649.56 is: 50,569.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,505.92 : 87,626.70 = 36,649.56 : x
  2. Step 2: Convert to fraction form
    63,505.92/87,626.70 = 36,649.56/x
  3. Step 3: Cross multiply
    63,505.92x = 87,626.70 × 36,649.56
  4. Step 4: Simplify right side
    63,505.92x = 3,211,479,999.25
  5. Step 5: Solve for x
    x = 3,211,479,999.25/63,505.92
  6. Step 6: Final answer
    x = 50,569.77

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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.