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Finding the Fourth Proportional to 50,098.65, 75,147.96 and 12,658.83

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Solution

The fourth proportional to 50,098.65, 75,147.96 and 12,658.83 is: 18,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,098.65 : 75,147.96 = 12,658.83 : x
  2. Step 2: Convert to fraction form
    50,098.65/75,147.96 = 12,658.83/x
  3. Step 3: Cross multiply
    50,098.65x = 75,147.96 × 12,658.83
  4. Step 4: Simplify right side
    50,098.65x = 951,285,250.49
  5. Step 5: Solve for x
    x = 951,285,250.49/50,098.65
  6. Step 6: Final answer
    x = 18,988.24

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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.