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Finding the Fourth Proportional to 64,220.99, 88,624.33 and 35,926.88

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Solution

The fourth proportional to 64,220.99, 88,624.33 and 35,926.88 is: 49,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,220.99 : 88,624.33 = 35,926.88 : x
  2. Step 2: Convert to fraction form
    64,220.99/88,624.33 = 35,926.88/x
  3. Step 3: Cross multiply
    64,220.99x = 88,624.33 × 35,926.88
  4. Step 4: Simplify right side
    64,220.99x = 3,183,995,136.05
  5. Step 5: Solve for x
    x = 3,183,995,136.05/64,220.99
  6. Step 6: Final answer
    x = 49,578.73

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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.