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Finding the Fourth Proportional to 29,816.64, 44,707.68 and 12,266.64

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Solution

The fourth proportional to 29,816.64, 44,707.68 and 12,266.64 is: 18,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,816.64 : 44,707.68 = 12,266.64 : x
  2. Step 2: Convert to fraction form
    29,816.64/44,707.68 = 12,266.64/x
  3. Step 3: Cross multiply
    29,816.64x = 44,707.68 × 12,266.64
  4. Step 4: Simplify right side
    29,816.64x = 548,413,015.80
  5. Step 5: Solve for x
    x = 548,413,015.80/29,816.64
  6. Step 6: Final answer
    x = 18,392.85

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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.