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Finding the Fourth Proportional to 21,950.82, 32,933.64 and 6,960.39

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Solution

The fourth proportional to 21,950.82, 32,933.64 and 6,960.39 is: 10,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.82 : 32,933.64 = 6,960.39 : x
  2. Step 2: Convert to fraction form
    21,950.82/32,933.64 = 6,960.39/x
  3. Step 3: Cross multiply
    21,950.82x = 32,933.64 × 6,960.39
  4. Step 4: Simplify right side
    21,950.82x = 229,230,978.52
  5. Step 5: Solve for x
    x = 229,230,978.52/21,950.82
  6. Step 6: Final answer
    x = 10,442.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.