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Finding the Fourth Proportional to 56,783.97, 85,175.96 and 19,344.96

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Solution

The fourth proportional to 56,783.97, 85,175.96 and 19,344.96 is: 29,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,783.97 : 85,175.96 = 19,344.96 : x
  2. Step 2: Convert to fraction form
    56,783.97/85,175.96 = 19,344.96/x
  3. Step 3: Cross multiply
    56,783.97x = 85,175.96 × 19,344.96
  4. Step 4: Simplify right side
    56,783.97x = 1,647,725,442.44
  5. Step 5: Solve for x
    x = 1,647,725,442.44/56,783.97
  6. Step 6: Final answer
    x = 29,017.44

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1.5x scale

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.