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Finding the Fourth Proportional to 16,622.97, 22,929.39 and 9,904.02

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Solution

The fourth proportional to 16,622.97, 22,929.39 and 9,904.02 is: 13,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,622.97 : 22,929.39 = 9,904.02 : x
  2. Step 2: Convert to fraction form
    16,622.97/22,929.39 = 9,904.02/x
  3. Step 3: Cross multiply
    16,622.97x = 22,929.39 × 9,904.02
  4. Step 4: Simplify right side
    16,622.97x = 227,093,137.15
  5. Step 5: Solve for x
    x = 227,093,137.15/16,622.97
  6. Step 6: Final answer
    x = 13,661.41

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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.