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Finding the Fourth Proportional to 56,793.59, 85,190.39 and 19,334.39

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Solution

The fourth proportional to 56,793.59, 85,190.39 and 19,334.39 is: 29,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,793.59 : 85,190.39 = 19,334.39 : x
  2. Step 2: Convert to fraction form
    56,793.59/85,190.39 = 19,334.39/x
  3. Step 3: Cross multiply
    56,793.59x = 85,190.39 × 19,334.39
  4. Step 4: Simplify right side
    56,793.59x = 1,647,103,701.89
  5. Step 5: Solve for x
    x = 1,647,103,701.89/56,793.59
  6. Step 6: Final answer
    x = 29,001.58

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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.