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Finding the Fourth Proportional to 67,197.56, 92,738.40 and 36,988.88

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Solution

The fourth proportional to 67,197.56, 92,738.40 and 36,988.88 is: 51,047.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,197.56 : 92,738.40 = 36,988.88 : x
  2. Step 2: Convert to fraction form
    67,197.56/92,738.40 = 36,988.88/x
  3. Step 3: Cross multiply
    67,197.56x = 92,738.40 × 36,988.88
  4. Step 4: Simplify right side
    67,197.56x = 3,430,289,548.99
  5. Step 5: Solve for x
    x = 3,430,289,548.99/67,197.56
  6. Step 6: Final answer
    x = 51,047.83

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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.