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Finding the Fourth Proportional to 50,416.70, 69,575.03 and 28,065.98

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Solution

The fourth proportional to 50,416.70, 69,575.03 and 28,065.98 is: 38,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,416.70 : 69,575.03 = 28,065.98 : x
  2. Step 2: Convert to fraction form
    50,416.70/69,575.03 = 28,065.98/x
  3. Step 3: Cross multiply
    50,416.70x = 69,575.03 × 28,065.98
  4. Step 4: Simplify right side
    50,416.70x = 1,952,690,912.27
  5. Step 5: Solve for x
    x = 1,952,690,912.27/50,416.70
  6. Step 6: Final answer
    x = 38,731.04

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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.