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Finding the Fourth Proportional to 29,929.32, 44,880.24 and 8,861.88

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Solution

The fourth proportional to 29,929.32, 44,880.24 and 8,861.88 is: 13,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,929.32 : 44,880.24 = 8,861.88 : x
  2. Step 2: Convert to fraction form
    29,929.32/44,880.24 = 8,861.88/x
  3. Step 3: Cross multiply
    29,929.32x = 44,880.24 × 8,861.88
  4. Step 4: Simplify right side
    29,929.32x = 397,723,301.25
  5. Step 5: Solve for x
    x = 397,723,301.25/29,929.32
  6. Step 6: Final answer
    x = 13,288.75

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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.