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Finding the Fourth Proportional to 72,522.26, 108,826.53 and 39,241.66

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Solution

The fourth proportional to 72,522.26, 108,826.53 and 39,241.66 is: 58,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,522.26 : 108,826.53 = 39,241.66 : x
  2. Step 2: Convert to fraction form
    72,522.26/108,826.53 = 39,241.66/x
  3. Step 3: Cross multiply
    72,522.26x = 108,826.53 × 39,241.66
  4. Step 4: Simplify right side
    72,522.26x = 4,270,533,689.24
  5. Step 5: Solve for x
    x = 4,270,533,689.24/72,522.26
  6. Step 6: Final answer
    x = 58,885.83

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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.