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Finding the Fourth Proportional to 12,523.16, 17,283.12 and 6,934.16

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Solution

The fourth proportional to 12,523.16, 17,283.12 and 6,934.16 is: 9,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.16 : 17,283.12 = 6,934.16 : x
  2. Step 2: Convert to fraction form
    12,523.16/17,283.12 = 6,934.16/x
  3. Step 3: Cross multiply
    12,523.16x = 17,283.12 × 6,934.16
  4. Step 4: Simplify right side
    12,523.16x = 119,843,919.38
  5. Step 5: Solve for x
    x = 119,843,919.38/12,523.16
  6. Step 6: Final answer
    x = 9,569.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.