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Finding the Fourth Proportional to 19,249.56, 26,570.79 and 11,288.88

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Solution

The fourth proportional to 19,249.56, 26,570.79 and 11,288.88 is: 15,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249.56 : 26,570.79 = 11,288.88 : x
  2. Step 2: Convert to fraction form
    19,249.56/26,570.79 = 11,288.88/x
  3. Step 3: Cross multiply
    19,249.56x = 26,570.79 × 11,288.88
  4. Step 4: Simplify right side
    19,249.56x = 299,954,459.82
  5. Step 5: Solve for x
    x = 299,954,459.82/19,249.56
  6. Step 6: Final answer
    x = 15,582.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.