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Finding the Fourth Proportional to 71,609.65, 107,432.67 and 50,590.75

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Solution

The fourth proportional to 71,609.65, 107,432.67 and 50,590.75 is: 75,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,609.65 : 107,432.67 = 50,590.75 : x
  2. Step 2: Convert to fraction form
    71,609.65/107,432.67 = 50,590.75/x
  3. Step 3: Cross multiply
    71,609.65x = 107,432.67 × 50,590.75
  4. Step 4: Simplify right side
    71,609.65x = 5,435,099,349.80
  5. Step 5: Solve for x
    x = 5,435,099,349.80/71,609.65
  6. Step 6: Final answer
    x = 75,898.98

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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.