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Finding the Fourth Proportional to 26,544, 36,630.72 and 15,366

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Solution

The fourth proportional to 26,544, 36,630.72 and 15,366 is: 21,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,544 : 36,630.72 = 15,366 : x
  2. Step 2: Convert to fraction form
    26,544/36,630.72 = 15,366/x
  3. Step 3: Cross multiply
    26,544x = 36,630.72 × 15,366
  4. Step 4: Simplify right side
    26,544x = 562,867,643.52
  5. Step 5: Solve for x
    x = 562,867,643.52/26,544
  6. Step 6: Final answer
    x = 21,205.08

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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.