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Finding the Fourth Proportional to 29,989.86, 44,976.93 and 8,924.25

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Solution

The fourth proportional to 29,989.86, 44,976.93 and 8,924.25 is: 13,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.86 : 44,976.93 = 8,924.25 : x
  2. Step 2: Convert to fraction form
    29,989.86/44,976.93 = 8,924.25/x
  3. Step 3: Cross multiply
    29,989.86x = 44,976.93 × 8,924.25
  4. Step 4: Simplify right side
    29,989.86x = 401,385,367.55
  5. Step 5: Solve for x
    x = 401,385,367.55/29,989.86
  6. Step 6: Final answer
    x = 13,384.04

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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.