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Finding the Fourth Proportional to 17,651.44, 26,475.90 and 10,251.28

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Solution

The fourth proportional to 17,651.44, 26,475.90 and 10,251.28 is: 15,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.44 : 26,475.90 = 10,251.28 : x
  2. Step 2: Convert to fraction form
    17,651.44/26,475.90 = 10,251.28/x
  3. Step 3: Cross multiply
    17,651.44x = 26,475.90 × 10,251.28
  4. Step 4: Simplify right side
    17,651.44x = 271,411,864.15
  5. Step 5: Solve for x
    x = 271,411,864.15/17,651.44
  6. Step 6: Final answer
    x = 15,376.19

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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.