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Finding the Fourth Proportional to 67,321.80, 92,904.66 and 37,108.18

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Solution

The fourth proportional to 67,321.80, 92,904.66 and 37,108.18 is: 51,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,321.80 : 92,904.66 = 37,108.18 : x
  2. Step 2: Convert to fraction form
    67,321.80/92,904.66 = 37,108.18/x
  3. Step 3: Cross multiply
    67,321.80x = 92,904.66 × 37,108.18
  4. Step 4: Simplify right side
    67,321.80x = 3,447,522,846.12
  5. Step 5: Solve for x
    x = 3,447,522,846.12/67,321.80
  6. Step 6: Final answer
    x = 51,209.61

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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.