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Finding the Fourth Proportional to 32,375.88, 48,535.08 and 12,649.98

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Solution

The fourth proportional to 32,375.88, 48,535.08 and 12,649.98 is: 18,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,375.88 : 48,535.08 = 12,649.98 : x
  2. Step 2: Convert to fraction form
    32,375.88/48,535.08 = 12,649.98/x
  3. Step 3: Cross multiply
    32,375.88x = 48,535.08 × 12,649.98
  4. Step 4: Simplify right side
    32,375.88x = 613,967,791.30
  5. Step 5: Solve for x
    x = 613,967,791.30/32,375.88
  6. Step 6: Final answer
    x = 18,963.74

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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.