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Finding the Fourth Proportional to 16,696.72, 23,041.02 and 9,622.72

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Solution

The fourth proportional to 16,696.72, 23,041.02 and 9,622.72 is: 13,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,696.72 : 23,041.02 = 9,622.72 : x
  2. Step 2: Convert to fraction form
    16,696.72/23,041.02 = 9,622.72/x
  3. Step 3: Cross multiply
    16,696.72x = 23,041.02 × 9,622.72
  4. Step 4: Simplify right side
    16,696.72x = 221,717,283.97
  5. Step 5: Solve for x
    x = 221,717,283.97/16,696.72
  6. Step 6: Final answer
    x = 13,279.09

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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.