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Finding the Fourth Proportional to 67,253.48, 92,810.02 and 40,396.44

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Solution

The fourth proportional to 67,253.48, 92,810.02 and 40,396.44 is: 55,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,253.48 : 92,810.02 = 40,396.44 : x
  2. Step 2: Convert to fraction form
    67,253.48/92,810.02 = 40,396.44/x
  3. Step 3: Cross multiply
    67,253.48x = 92,810.02 × 40,396.44
  4. Step 4: Simplify right side
    67,253.48x = 3,749,194,404.33
  5. Step 5: Solve for x
    x = 3,749,194,404.33/67,253.48
  6. Step 6: Final answer
    x = 55,747.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.