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Finding the Fourth Proportional to 73,211.75, 101,032.22 and 39,677.75

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Solution

The fourth proportional to 73,211.75, 101,032.22 and 39,677.75 is: 54,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,211.75 : 101,032.22 = 39,677.75 : x
  2. Step 2: Convert to fraction form
    73,211.75/101,032.22 = 39,677.75/x
  3. Step 3: Cross multiply
    73,211.75x = 101,032.22 × 39,677.75
  4. Step 4: Simplify right side
    73,211.75x = 4,008,731,167.11
  5. Step 5: Solve for x
    x = 4,008,731,167.11/73,211.75
  6. Step 6: Final answer
    x = 54,755.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.