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Finding the Fourth Proportional to 16,636.97, 22,920.02 and 11,592.06

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Solution

The fourth proportional to 16,636.97, 22,920.02 and 11,592.06 is: 15,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.97 : 22,920.02 = 11,592.06 : x
  2. Step 2: Convert to fraction form
    16,636.97/22,920.02 = 11,592.06/x
  3. Step 3: Cross multiply
    16,636.97x = 22,920.02 × 11,592.06
  4. Step 4: Simplify right side
    16,636.97x = 265,690,247.04
  5. Step 5: Solve for x
    x = 265,690,247.04/16,636.97
  6. Step 6: Final answer
    x = 15,969.87

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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.