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Finding the Fourth Proportional to 62,697.26, 86,523.99 and 34,404.80

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Solution

The fourth proportional to 62,697.26, 86,523.99 and 34,404.80 is: 47,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,697.26 : 86,523.99 = 34,404.80 : x
  2. Step 2: Convert to fraction form
    62,697.26/86,523.99 = 34,404.80/x
  3. Step 3: Cross multiply
    62,697.26x = 86,523.99 × 34,404.80
  4. Step 4: Simplify right side
    62,697.26x = 2,976,840,571.15
  5. Step 5: Solve for x
    x = 2,976,840,571.15/62,697.26
  6. Step 6: Final answer
    x = 47,479.60

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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.