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Finding the Fourth Proportional to 19,412.52, 29,122.92 and 11,096.52

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Solution

The fourth proportional to 19,412.52, 29,122.92 and 11,096.52 is: 16,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.52 : 29,122.92 = 11,096.52 : x
  2. Step 2: Convert to fraction form
    19,412.52/29,122.92 = 11,096.52/x
  3. Step 3: Cross multiply
    19,412.52x = 29,122.92 × 11,096.52
  4. Step 4: Simplify right side
    19,412.52x = 323,163,064.24
  5. Step 5: Solve for x
    x = 323,163,064.24/19,412.52
  6. Step 6: Final answer
    x = 16,647.15

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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.