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Finding the Fourth Proportional to 15,136.73, 22,705.22 and 5,275.99

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Solution

The fourth proportional to 15,136.73, 22,705.22 and 5,275.99 is: 7,914.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.73 : 22,705.22 = 5,275.99 : x
  2. Step 2: Convert to fraction form
    15,136.73/22,705.22 = 5,275.99/x
  3. Step 3: Cross multiply
    15,136.73x = 22,705.22 × 5,275.99
  4. Step 4: Simplify right side
    15,136.73x = 119,792,487.29
  5. Step 5: Solve for x
    x = 119,792,487.29/15,136.73
  6. Step 6: Final answer
    x = 7,914.03

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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.