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Finding the Fourth Proportional to 29,659.92, 44,421.72 and 19,240.08

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Solution

The fourth proportional to 29,659.92, 44,421.72 and 19,240.08 is: 28,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,659.92 : 44,421.72 = 19,240.08 : x
  2. Step 2: Convert to fraction form
    29,659.92/44,421.72 = 19,240.08/x
  3. Step 3: Cross multiply
    29,659.92x = 44,421.72 × 19,240.08
  4. Step 4: Simplify right side
    29,659.92x = 854,677,446.54
  5. Step 5: Solve for x
    x = 854,677,446.54/29,659.92
  6. Step 6: Final answer
    x = 28,815.91

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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.