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Finding the Fourth Proportional to 56,995.49, 85,493.22 and 15,442.49

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Solution

The fourth proportional to 56,995.49, 85,493.22 and 15,442.49 is: 23,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,995.49 : 85,493.22 = 15,442.49 : x
  2. Step 2: Convert to fraction form
    56,995.49/85,493.22 = 15,442.49/x
  3. Step 3: Cross multiply
    56,995.49x = 85,493.22 × 15,442.49
  4. Step 4: Simplify right side
    56,995.49x = 1,320,228,194.92
  5. Step 5: Solve for x
    x = 1,320,228,194.92/56,995.49
  6. Step 6: Final answer
    x = 23,163.73

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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.