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Finding the Fourth Proportional to 26,707.78, 36,850.72 and 15,950.71

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Solution

The fourth proportional to 26,707.78, 36,850.72 and 15,950.71 is: 22,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,707.78 : 36,850.72 = 15,950.71 : x
  2. Step 2: Convert to fraction form
    26,707.78/36,850.72 = 15,950.71/x
  3. Step 3: Cross multiply
    26,707.78x = 36,850.72 × 15,950.71
  4. Step 4: Simplify right side
    26,707.78x = 587,795,148.01
  5. Step 5: Solve for x
    x = 587,795,148.01/26,707.78
  6. Step 6: Final answer
    x = 22,008.39

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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.