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Finding the Fourth Proportional to 52,881.71, 79,322.83 and 17,821.67

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Solution

The fourth proportional to 52,881.71, 79,322.83 and 17,821.67 is: 26,732.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,881.71 : 79,322.83 = 17,821.67 : x
  2. Step 2: Convert to fraction form
    52,881.71/79,322.83 = 17,821.67/x
  3. Step 3: Cross multiply
    52,881.71x = 79,322.83 × 17,821.67
  4. Step 4: Simplify right side
    52,881.71x = 1,413,664,858.56
  5. Step 5: Solve for x
    x = 1,413,664,858.56/52,881.71
  6. Step 6: Final answer
    x = 26,732.59

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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.