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Finding the Fourth Proportional to 17,649.38, 26,485.01 and 10,257.32

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Solution

The fourth proportional to 17,649.38, 26,485.01 and 10,257.32 is: 15,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,649.38 : 26,485.01 = 10,257.32 : x
  2. Step 2: Convert to fraction form
    17,649.38/26,485.01 = 10,257.32/x
  3. Step 3: Cross multiply
    17,649.38x = 26,485.01 × 10,257.32
  4. Step 4: Simplify right side
    17,649.38x = 271,665,039.06
  5. Step 5: Solve for x
    x = 271,665,039.06/17,649.38
  6. Step 6: Final answer
    x = 15,392.33

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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.