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Finding the Fourth Proportional to 50,446.70, 75,674.40 and 13,006.44

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Solution

The fourth proportional to 50,446.70, 75,674.40 and 13,006.44 is: 19,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,446.70 : 75,674.40 = 13,006.44 : x
  2. Step 2: Convert to fraction form
    50,446.70/75,674.40 = 13,006.44/x
  3. Step 3: Cross multiply
    50,446.70x = 75,674.40 × 13,006.44
  4. Step 4: Simplify right side
    50,446.70x = 984,254,543.14
  5. Step 5: Solve for x
    x = 984,254,543.14/50,446.70
  6. Step 6: Final answer
    x = 19,510.78

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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.