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Finding the Fourth Proportional to 22,136.99, 30,545.54 and 12,444.53

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Solution

The fourth proportional to 22,136.99, 30,545.54 and 12,444.53 is: 17,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.99 : 30,545.54 = 12,444.53 : x
  2. Step 2: Convert to fraction form
    22,136.99/30,545.54 = 12,444.53/x
  3. Step 3: Cross multiply
    22,136.99x = 30,545.54 × 12,444.53
  4. Step 4: Simplify right side
    22,136.99x = 380,124,826.67
  5. Step 5: Solve for x
    x = 380,124,826.67/22,136.99
  6. Step 6: Final answer
    x = 17,171.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.