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Finding the Fourth Proportional to 45,752.88, 68,649.04 and 17,692.68

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Solution

The fourth proportional to 45,752.88, 68,649.04 and 17,692.68 is: 26,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,752.88 : 68,649.04 = 17,692.68 : x
  2. Step 2: Convert to fraction form
    45,752.88/68,649.04 = 17,692.68/x
  3. Step 3: Cross multiply
    45,752.88x = 68,649.04 × 17,692.68
  4. Step 4: Simplify right side
    45,752.88x = 1,214,585,497.03
  5. Step 5: Solve for x
    x = 1,214,585,497.03/45,752.88
  6. Step 6: Final answer
    x = 26,546.65

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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.