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Finding the Fourth Proportional to 18,087.84, 27,136.08 and 7,552

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Solution

The fourth proportional to 18,087.84, 27,136.08 and 7,552 is: 11,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.84 : 27,136.08 = 7,552 : x
  2. Step 2: Convert to fraction form
    18,087.84/27,136.08 = 7,552/x
  3. Step 3: Cross multiply
    18,087.84x = 27,136.08 × 7,552
  4. Step 4: Simplify right side
    18,087.84x = 204,931,676.16
  5. Step 5: Solve for x
    x = 204,931,676.16/18,087.84
  6. Step 6: Final answer
    x = 11,329.80

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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.