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Finding the Fourth Proportional to 29,479.86, 44,222.49 and 8,419.86

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Solution

The fourth proportional to 29,479.86, 44,222.49 and 8,419.86 is: 12,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,479.86 : 44,222.49 = 8,419.86 : x
  2. Step 2: Convert to fraction form
    29,479.86/44,222.49 = 8,419.86/x
  3. Step 3: Cross multiply
    29,479.86x = 44,222.49 × 8,419.86
  4. Step 4: Simplify right side
    29,479.86x = 372,347,174.65
  5. Step 5: Solve for x
    x = 372,347,174.65/29,479.86
  6. Step 6: Final answer
    x = 12,630.56

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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.