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Finding the Fourth Proportional to 45,314.10, 67,971.15 and 27,793.80

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Solution

The fourth proportional to 45,314.10, 67,971.15 and 27,793.80 is: 41,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,314.10 : 67,971.15 = 27,793.80 : x
  2. Step 2: Convert to fraction form
    45,314.10/67,971.15 = 27,793.80/x
  3. Step 3: Cross multiply
    45,314.10x = 67,971.15 × 27,793.80
  4. Step 4: Simplify right side
    45,314.10x = 1,889,176,548.87
  5. Step 5: Solve for x
    x = 1,889,176,548.87/45,314.10
  6. Step 6: Final answer
    x = 41,690.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.