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Finding the Fourth Proportional to 52,794.81, 79,192.26 and 21,651.93

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Solution

The fourth proportional to 52,794.81, 79,192.26 and 21,651.93 is: 32,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,794.81 : 79,192.26 = 21,651.93 : x
  2. Step 2: Convert to fraction form
    52,794.81/79,192.26 = 21,651.93/x
  3. Step 3: Cross multiply
    52,794.81x = 79,192.26 × 21,651.93
  4. Step 4: Simplify right side
    52,794.81x = 1,714,665,270.06
  5. Step 5: Solve for x
    x = 1,714,665,270.06/52,794.81
  6. Step 6: Final answer
    x = 32,477.91

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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.