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Finding the Fourth Proportional to 1,136.67, 1,705.49 and 589.24

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Solution

The fourth proportional to 1,136.67, 1,705.49 and 589.24 is: 884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.67 : 1,705.49 = 589.24 : x
  2. Step 2: Convert to fraction form
    1,136.67/1,705.49 = 589.24/x
  3. Step 3: Cross multiply
    1,136.67x = 1,705.49 × 589.24
  4. Step 4: Simplify right side
    1,136.67x = 1,004,942.93
  5. Step 5: Solve for x
    x = 1,004,942.93/1,136.67
  6. Step 6: Final answer
    x = 884.11

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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.