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Finding the Fourth Proportional to 8,764.94, 13,136.49 and 4,383.65

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Solution

The fourth proportional to 8,764.94, 13,136.49 and 4,383.65 is: 6,570.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.94 : 13,136.49 = 4,383.65 : x
  2. Step 2: Convert to fraction form
    8,764.94/13,136.49 = 4,383.65/x
  3. Step 3: Cross multiply
    8,764.94x = 13,136.49 × 4,383.65
  4. Step 4: Simplify right side
    8,764.94x = 57,585,807.23
  5. Step 5: Solve for x
    x = 57,585,807.23/8,764.94
  6. Step 6: Final answer
    x = 6,570.02

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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.