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Finding the Fourth Proportional to 12,233.47, 16,882.28 and 6,644.47

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Solution

The fourth proportional to 12,233.47, 16,882.28 and 6,644.47 is: 9,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.47 : 16,882.28 = 6,644.47 : x
  2. Step 2: Convert to fraction form
    12,233.47/16,882.28 = 6,644.47/x
  3. Step 3: Cross multiply
    12,233.47x = 16,882.28 × 6,644.47
  4. Step 4: Simplify right side
    12,233.47x = 112,173,802.99
  5. Step 5: Solve for x
    x = 112,173,802.99/12,233.47
  6. Step 6: Final answer
    x = 9,169.42

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1.5x scale

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.