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Finding the Fourth Proportional to 29,945.44, 44,904.12 and 8,877.88

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Solution

The fourth proportional to 29,945.44, 44,904.12 and 8,877.88 is: 13,312.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,945.44 : 44,904.12 = 8,877.88 : x
  2. Step 2: Convert to fraction form
    29,945.44/44,904.12 = 8,877.88/x
  3. Step 3: Cross multiply
    29,945.44x = 44,904.12 × 8,877.88
  4. Step 4: Simplify right side
    29,945.44x = 398,653,388.87
  5. Step 5: Solve for x
    x = 398,653,388.87/29,945.44
  6. Step 6: Final answer
    x = 13,312.66

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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.