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Finding the Fourth Proportional to 19,069.74, 28,593 and 8,537.76

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Solution

The fourth proportional to 19,069.74, 28,593 and 8,537.76 is: 12,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.74 : 28,593 = 8,537.76 : x
  2. Step 2: Convert to fraction form
    19,069.74/28,593 = 8,537.76/x
  3. Step 3: Cross multiply
    19,069.74x = 28,593 × 8,537.76
  4. Step 4: Simplify right side
    19,069.74x = 244,120,171.68
  5. Step 5: Solve for x
    x = 244,120,171.68/19,069.74
  6. Step 6: Final answer
    x = 12,801.44

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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.