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Finding the Fourth Proportional to 52,525.56, 78,789.02 and 17,465.21

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Solution

The fourth proportional to 52,525.56, 78,789.02 and 17,465.21 is: 26,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,525.56 : 78,789.02 = 17,465.21 : x
  2. Step 2: Convert to fraction form
    52,525.56/78,789.02 = 17,465.21/x
  3. Step 3: Cross multiply
    52,525.56x = 78,789.02 × 17,465.21
  4. Step 4: Simplify right side
    52,525.56x = 1,376,066,692.67
  5. Step 5: Solve for x
    x = 1,376,066,692.67/52,525.56
  6. Step 6: Final answer
    x = 26,198.04

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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.