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Finding the Fourth Proportional to 67,191.66, 92,730.12 and 36,982.68

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Solution

The fourth proportional to 67,191.66, 92,730.12 and 36,982.68 is: 51,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,191.66 : 92,730.12 = 36,982.68 : x
  2. Step 2: Convert to fraction form
    67,191.66/92,730.12 = 36,982.68/x
  3. Step 3: Cross multiply
    67,191.66x = 92,730.12 × 36,982.68
  4. Step 4: Simplify right side
    67,191.66x = 3,429,408,354.32
  5. Step 5: Solve for x
    x = 3,429,408,354.32/67,191.66
  6. Step 6: Final answer
    x = 51,039.20

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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.