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Finding the Fourth Proportional to 73,686.75, 101,682.25 and 41,849.50

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Solution

The fourth proportional to 73,686.75, 101,682.25 and 41,849.50 is: 57,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,686.75 : 101,682.25 = 41,849.50 : x
  2. Step 2: Convert to fraction form
    73,686.75/101,682.25 = 41,849.50/x
  3. Step 3: Cross multiply
    73,686.75x = 101,682.25 × 41,849.50
  4. Step 4: Simplify right side
    73,686.75x = 4,255,351,321.38
  5. Step 5: Solve for x
    x = 4,255,351,321.38/73,686.75
  6. Step 6: Final answer
    x = 57,749.21

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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.