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Finding the Fourth Proportional to 56,788.03, 85,191.21 and 17,335.90

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Solution

The fourth proportional to 56,788.03, 85,191.21 and 17,335.90 is: 26,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,788.03 : 85,191.21 = 17,335.90 : x
  2. Step 2: Convert to fraction form
    56,788.03/85,191.21 = 17,335.90/x
  3. Step 3: Cross multiply
    56,788.03x = 85,191.21 × 17,335.90
  4. Step 4: Simplify right side
    56,788.03x = 1,476,866,297.44
  5. Step 5: Solve for x
    x = 1,476,866,297.44/56,788.03
  6. Step 6: Final answer
    x = 26,006.65

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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.