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Finding the Fourth Proportional to 43,672.91, 65,523.20 and 15,592.30

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Solution

The fourth proportional to 43,672.91, 65,523.20 and 15,592.30 is: 23,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,672.91 : 65,523.20 = 15,592.30 : x
  2. Step 2: Convert to fraction form
    43,672.91/65,523.20 = 15,592.30/x
  3. Step 3: Cross multiply
    43,672.91x = 65,523.20 × 15,592.30
  4. Step 4: Simplify right side
    43,672.91x = 1,021,657,149.59
  5. Step 5: Solve for x
    x = 1,021,657,149.59/43,672.91
  6. Step 6: Final answer
    x = 23,393.39

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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.