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Finding the Fourth Proportional to 52,542.65, 78,826.53 and 17,482.61

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Solution

The fourth proportional to 52,542.65, 78,826.53 and 17,482.61 is: 26,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,542.65 : 78,826.53 = 17,482.61 : x
  2. Step 2: Convert to fraction form
    52,542.65/78,826.53 = 17,482.61/x
  3. Step 3: Cross multiply
    52,542.65x = 78,826.53 × 17,482.61
  4. Step 4: Simplify right side
    52,542.65x = 1,378,093,481.64
  5. Step 5: Solve for x
    x = 1,378,093,481.64/52,542.65
  6. Step 6: Final answer
    x = 26,228.09

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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.