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Finding the Fourth Proportional to 29,301.72, 43,951.86 and 8,525.40

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Solution

The fourth proportional to 29,301.72, 43,951.86 and 8,525.40 is: 12,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,301.72 : 43,951.86 = 8,525.40 : x
  2. Step 2: Convert to fraction form
    29,301.72/43,951.86 = 8,525.40/x
  3. Step 3: Cross multiply
    29,301.72x = 43,951.86 × 8,525.40
  4. Step 4: Simplify right side
    29,301.72x = 374,707,187.24
  5. Step 5: Solve for x
    x = 374,707,187.24/29,301.72
  6. Step 6: Final answer
    x = 12,787.89

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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.