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Finding the Fourth Proportional to 17,660.16, 26,425.17 and 10,644.30

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Solution

The fourth proportional to 17,660.16, 26,425.17 and 10,644.30 is: 15,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.16 : 26,425.17 = 10,644.30 : x
  2. Step 2: Convert to fraction form
    17,660.16/26,425.17 = 10,644.30/x
  3. Step 3: Cross multiply
    17,660.16x = 26,425.17 × 10,644.30
  4. Step 4: Simplify right side
    17,660.16x = 281,277,437.03
  5. Step 5: Solve for x
    x = 281,277,437.03/17,660.16
  6. Step 6: Final answer
    x = 15,927.23

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1.5x scale

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.