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Finding the Fourth Proportional to 26,341, 36,357.74 and 15,016.45

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Solution

The fourth proportional to 26,341, 36,357.74 and 15,016.45 is: 20,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,341 : 36,357.74 = 15,016.45 : x
  2. Step 2: Convert to fraction form
    26,341/36,357.74 = 15,016.45/x
  3. Step 3: Cross multiply
    26,341x = 36,357.74 × 15,016.45
  4. Step 4: Simplify right side
    26,341x = 545,964,184.82
  5. Step 5: Solve for x
    x = 545,964,184.82/26,341
  6. Step 6: Final answer
    x = 20,726.78

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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.