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Finding the Fourth Proportional to 52,773.53, 79,158.20 and 21,197.84

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Solution

The fourth proportional to 52,773.53, 79,158.20 and 21,197.84 is: 31,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,773.53 : 79,158.20 = 21,197.84 : x
  2. Step 2: Convert to fraction form
    52,773.53/79,158.20 = 21,197.84/x
  3. Step 3: Cross multiply
    52,773.53x = 79,158.20 × 21,197.84
  4. Step 4: Simplify right side
    52,773.53x = 1,677,982,356.51
  5. Step 5: Solve for x
    x = 1,677,982,356.51/52,773.53
  6. Step 6: Final answer
    x = 31,795.91

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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.