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Finding the Fourth Proportional to 45,706.68, 68,584.62 and 45,567.56

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Solution

The fourth proportional to 45,706.68, 68,584.62 and 45,567.56 is: 68,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706.68 : 68,584.62 = 45,567.56 : x
  2. Step 2: Convert to fraction form
    45,706.68/68,584.62 = 45,567.56/x
  3. Step 3: Cross multiply
    45,706.68x = 68,584.62 × 45,567.56
  4. Step 4: Simplify right side
    45,706.68x = 3,125,234,129.27
  5. Step 5: Solve for x
    x = 3,125,234,129.27/45,706.68
  6. Step 6: Final answer
    x = 68,375.87

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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.