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Finding the Fourth Proportional to 50,611.32, 69,838.32 and 29,386.44

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Solution

The fourth proportional to 50,611.32, 69,838.32 and 29,386.44 is: 40,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,611.32 : 69,838.32 = 29,386.44 : x
  2. Step 2: Convert to fraction form
    50,611.32/69,838.32 = 29,386.44/x
  3. Step 3: Cross multiply
    50,611.32x = 69,838.32 × 29,386.44
  4. Step 4: Simplify right side
    50,611.32x = 2,052,299,600.38
  5. Step 5: Solve for x
    x = 2,052,299,600.38/50,611.32
  6. Step 6: Final answer
    x = 40,550.21

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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.