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Finding the Fourth Proportional to 32,689.44, 49,041.45 and 11,912.94

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Solution

The fourth proportional to 32,689.44, 49,041.45 and 11,912.94 is: 17,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,689.44 : 49,041.45 = 11,912.94 : x
  2. Step 2: Convert to fraction form
    32,689.44/49,041.45 = 11,912.94/x
  3. Step 3: Cross multiply
    32,689.44x = 49,041.45 × 11,912.94
  4. Step 4: Simplify right side
    32,689.44x = 584,227,791.80
  5. Step 5: Solve for x
    x = 584,227,791.80/32,689.44
  6. Step 6: Final answer
    x = 17,872.06

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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.