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Finding the Fourth Proportional to 52,722.01, 79,083.92 and 19,424.93

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Solution

The fourth proportional to 52,722.01, 79,083.92 and 19,424.93 is: 29,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,722.01 : 79,083.92 = 19,424.93 : x
  2. Step 2: Convert to fraction form
    52,722.01/79,083.92 = 19,424.93/x
  3. Step 3: Cross multiply
    52,722.01x = 79,083.92 × 19,424.93
  4. Step 4: Simplify right side
    52,722.01x = 1,536,199,610.13
  5. Step 5: Solve for x
    x = 1,536,199,610.13/52,722.01
  6. Step 6: Final answer
    x = 29,137.73

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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.