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Finding the Fourth Proportional to 56,479.68, 84,692.15 and 17,029.44

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Solution

The fourth proportional to 56,479.68, 84,692.15 and 17,029.44 is: 25,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479.68 : 84,692.15 = 17,029.44 : x
  2. Step 2: Convert to fraction form
    56,479.68/84,692.15 = 17,029.44/x
  3. Step 3: Cross multiply
    56,479.68x = 84,692.15 × 17,029.44
  4. Step 4: Simplify right side
    56,479.68x = 1,442,259,886.90
  5. Step 5: Solve for x
    x = 1,442,259,886.90/56,479.68
  6. Step 6: Final answer
    x = 25,535.91

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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.