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Finding the Fourth Proportional to 4,256.65, 6,384.81 and 1,136.65

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Solution

The fourth proportional to 4,256.65, 6,384.81 and 1,136.65 is: 1,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.65 : 6,384.81 = 1,136.65 : x
  2. Step 2: Convert to fraction form
    4,256.65/6,384.81 = 1,136.65/x
  3. Step 3: Cross multiply
    4,256.65x = 6,384.81 × 1,136.65
  4. Step 4: Simplify right side
    4,256.65x = 7,257,294.29
  5. Step 5: Solve for x
    x = 7,257,294.29/4,256.65
  6. Step 6: Final answer
    x = 1,704.93

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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.