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Finding the Fourth Proportional to 67,489.99, 93,136.89 and 37,276.07

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Solution

The fourth proportional to 67,489.99, 93,136.89 and 37,276.07 is: 51,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,489.99 : 93,136.89 = 37,276.07 : x
  2. Step 2: Convert to fraction form
    67,489.99/93,136.89 = 37,276.07/x
  3. Step 3: Cross multiply
    67,489.99x = 93,136.89 × 37,276.07
  4. Step 4: Simplify right side
    67,489.99x = 3,471,777,231.22
  5. Step 5: Solve for x
    x = 3,471,777,231.22/67,489.99
  6. Step 6: Final answer
    x = 51,441.37

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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.