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Finding the Fourth Proportional to 19,375.56, 29,053.22 and 6,893.76

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Solution

The fourth proportional to 19,375.56, 29,053.22 and 6,893.76 is: 10,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.56 : 29,053.22 = 6,893.76 : x
  2. Step 2: Convert to fraction form
    19,375.56/29,053.22 = 6,893.76/x
  3. Step 3: Cross multiply
    19,375.56x = 29,053.22 × 6,893.76
  4. Step 4: Simplify right side
    19,375.56x = 200,285,925.91
  5. Step 5: Solve for x
    x = 200,285,925.91/19,375.56
  6. Step 6: Final answer
    x = 10,337.04

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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.