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Finding the Fourth Proportional to 67,321.88, 92,903.68 and 37,107.26

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Solution

The fourth proportional to 67,321.88, 92,903.68 and 37,107.26 is: 51,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,321.88 : 92,903.68 = 37,107.26 : x
  2. Step 2: Convert to fraction form
    67,321.88/92,903.68 = 37,107.26/x
  3. Step 3: Cross multiply
    67,321.88x = 92,903.68 × 37,107.26
  4. Step 4: Simplify right side
    67,321.88x = 3,447,401,008.72
  5. Step 5: Solve for x
    x = 3,447,401,008.72/67,321.88
  6. Step 6: Final answer
    x = 51,207.74

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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.