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Finding the Fourth Proportional to 45,951.60, 68,967.90 and 27,208.20

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Solution

The fourth proportional to 45,951.60, 68,967.90 and 27,208.20 is: 40,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,951.60 : 68,967.90 = 27,208.20 : x
  2. Step 2: Convert to fraction form
    45,951.60/68,967.90 = 27,208.20/x
  3. Step 3: Cross multiply
    45,951.60x = 68,967.90 × 27,208.20
  4. Step 4: Simplify right side
    45,951.60x = 1,876,492,416.78
  5. Step 5: Solve for x
    x = 1,876,492,416.78/45,951.60
  6. Step 6: Final answer
    x = 40,836.28

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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.