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Finding the Fourth Proportional to 17,127.64, 25,696.02 and 7,267.48

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Solution

The fourth proportional to 17,127.64, 25,696.02 and 7,267.48 is: 10,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127.64 : 25,696.02 = 7,267.48 : x
  2. Step 2: Convert to fraction form
    17,127.64/25,696.02 = 7,267.48/x
  3. Step 3: Cross multiply
    17,127.64x = 25,696.02 × 7,267.48
  4. Step 4: Simplify right side
    17,127.64x = 186,745,311.43
  5. Step 5: Solve for x
    x = 186,745,311.43/17,127.64
  6. Step 6: Final answer
    x = 10,903.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.