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Finding the Fourth Proportional to 67,211.29, 92,748.62 and 36,998.57

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Solution

The fourth proportional to 67,211.29, 92,748.62 and 36,998.57 is: 51,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,211.29 : 92,748.62 = 36,998.57 : x
  2. Step 2: Convert to fraction form
    67,211.29/92,748.62 = 36,998.57/x
  3. Step 3: Cross multiply
    67,211.29x = 92,748.62 × 36,998.57
  4. Step 4: Simplify right side
    67,211.29x = 3,431,566,529.78
  5. Step 5: Solve for x
    x = 3,431,566,529.78/67,211.29
  6. Step 6: Final answer
    x = 51,056.40

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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.