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Finding the Fourth Proportional to 17,692.72, 26,491.74 and 9,355.48

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Solution

The fourth proportional to 17,692.72, 26,491.74 and 9,355.48 is: 14,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,692.72 : 26,491.74 = 9,355.48 : x
  2. Step 2: Convert to fraction form
    17,692.72/26,491.74 = 9,355.48/x
  3. Step 3: Cross multiply
    17,692.72x = 26,491.74 × 9,355.48
  4. Step 4: Simplify right side
    17,692.72x = 247,842,943.74
  5. Step 5: Solve for x
    x = 247,842,943.74/17,692.72
  6. Step 6: Final answer
    x = 14,008.19

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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.