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Finding the Fourth Proportional to 17,959.31, 26,938.96 and 8,101.41

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Solution

The fourth proportional to 17,959.31, 26,938.96 and 8,101.41 is: 12,152.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.31 : 26,938.96 = 8,101.41 : x
  2. Step 2: Convert to fraction form
    17,959.31/26,938.96 = 8,101.41/x
  3. Step 3: Cross multiply
    17,959.31x = 26,938.96 × 8,101.41
  4. Step 4: Simplify right side
    17,959.31x = 218,243,559.93
  5. Step 5: Solve for x
    x = 218,243,559.93/17,959.31
  6. Step 6: Final answer
    x = 12,152.11

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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.