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Finding the Fourth Proportional to 26,333, 36,339.56 and 15,155

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Solution

The fourth proportional to 26,333, 36,339.56 and 15,155 is: 20,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,333 : 36,339.56 = 15,155 : x
  2. Step 2: Convert to fraction form
    26,333/36,339.56 = 15,155/x
  3. Step 3: Cross multiply
    26,333x = 36,339.56 × 15,155
  4. Step 4: Simplify right side
    26,333x = 550,726,031.80
  5. Step 5: Solve for x
    x = 550,726,031.80/26,333
  6. Step 6: Final answer
    x = 20,913.91

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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.