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Finding the Fourth Proportional to 29,440.72, 44,160.04 and 8,380.87

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Solution

The fourth proportional to 29,440.72, 44,160.04 and 8,380.87 is: 12,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,440.72 : 44,160.04 = 8,380.87 : x
  2. Step 2: Convert to fraction form
    29,440.72/44,160.04 = 8,380.87/x
  3. Step 3: Cross multiply
    29,440.72x = 44,160.04 × 8,380.87
  4. Step 4: Simplify right side
    29,440.72x = 370,099,454.51
  5. Step 5: Solve for x
    x = 370,099,454.51/29,440.72
  6. Step 6: Final answer
    x = 12,571.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.