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Finding the Fourth Proportional to 21,950.39, 32,917.39 and 6,955.77

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Solution

The fourth proportional to 21,950.39, 32,917.39 and 6,955.77 is: 10,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.39 : 32,917.39 = 6,955.77 : x
  2. Step 2: Convert to fraction form
    21,950.39/32,917.39 = 6,955.77/x
  3. Step 3: Cross multiply
    21,950.39x = 32,917.39 × 6,955.77
  4. Step 4: Simplify right side
    21,950.39x = 228,965,899.89
  5. Step 5: Solve for x
    x = 228,965,899.89/21,950.39
  6. Step 6: Final answer
    x = 10,431.06

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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.