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Finding the Fourth Proportional to 29,919.40, 44,887.84 and 8,859.98

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Solution

The fourth proportional to 29,919.40, 44,887.84 and 8,859.98 is: 13,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,919.40 : 44,887.84 = 8,859.98 : x
  2. Step 2: Convert to fraction form
    29,919.40/44,887.84 = 8,859.98/x
  3. Step 3: Cross multiply
    29,919.40x = 44,887.84 × 8,859.98
  4. Step 4: Simplify right side
    29,919.40x = 397,705,364.64
  5. Step 5: Solve for x
    x = 397,705,364.64/29,919.40
  6. Step 6: Final answer
    x = 13,292.56

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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.