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Finding the Fourth Proportional to 67,200.35, 92,734.77 and 36,572.15

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Solution

The fourth proportional to 67,200.35, 92,734.77 and 36,572.15 is: 50,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,200.35 : 92,734.77 = 36,572.15 : x
  2. Step 2: Convert to fraction form
    67,200.35/92,734.77 = 36,572.15/x
  3. Step 3: Cross multiply
    67,200.35x = 92,734.77 × 36,572.15
  4. Step 4: Simplify right side
    67,200.35x = 3,391,509,454.98
  5. Step 5: Solve for x
    x = 3,391,509,454.98/67,200.35
  6. Step 6: Final answer
    x = 50,468.63

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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.