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Finding the Fourth Proportional to 2,168.08, 3,252.09 and 524.62

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Solution

The fourth proportional to 2,168.08, 3,252.09 and 524.62 is: 786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.08 : 3,252.09 = 524.62 : x
  2. Step 2: Convert to fraction form
    2,168.08/3,252.09 = 524.62/x
  3. Step 3: Cross multiply
    2,168.08x = 3,252.09 × 524.62
  4. Step 4: Simplify right side
    2,168.08x = 1,706,111.46
  5. Step 5: Solve for x
    x = 1,706,111.46/2,168.08
  6. Step 6: Final answer
    x = 786.92

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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.