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Finding the Fourth Proportional to 17,507.44, 26,239.28 and 11,250.80

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Solution

The fourth proportional to 17,507.44, 26,239.28 and 11,250.80 is: 16,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,507.44 : 26,239.28 = 11,250.80 : x
  2. Step 2: Convert to fraction form
    17,507.44/26,239.28 = 11,250.80/x
  3. Step 3: Cross multiply
    17,507.44x = 26,239.28 × 11,250.80
  4. Step 4: Simplify right side
    17,507.44x = 295,212,760.23
  5. Step 5: Solve for x
    x = 295,212,760.23/17,507.44
  6. Step 6: Final answer
    x = 16,862.14

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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.