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Finding the Fourth Proportional to 54,102.60, 81,153.90 and 33,337.80

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Solution

The fourth proportional to 54,102.60, 81,153.90 and 33,337.80 is: 50,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,102.60 : 81,153.90 = 33,337.80 : x
  2. Step 2: Convert to fraction form
    54,102.60/81,153.90 = 33,337.80/x
  3. Step 3: Cross multiply
    54,102.60x = 81,153.90 × 33,337.80
  4. Step 4: Simplify right side
    54,102.60x = 2,705,492,487.42
  5. Step 5: Solve for x
    x = 2,705,492,487.42/54,102.60
  6. Step 6: Final answer
    x = 50,006.70

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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.