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Finding the Fourth Proportional to 66,749.92, 92,114.67 and 36,122.96

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Solution

The fourth proportional to 66,749.92, 92,114.67 and 36,122.96 is: 49,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,749.92 : 92,114.67 = 36,122.96 : x
  2. Step 2: Convert to fraction form
    66,749.92/92,114.67 = 36,122.96/x
  3. Step 3: Cross multiply
    66,749.92x = 92,114.67 × 36,122.96
  4. Step 4: Simplify right side
    66,749.92x = 3,327,454,702.38
  5. Step 5: Solve for x
    x = 3,327,454,702.38/66,749.92
  6. Step 6: Final answer
    x = 49,849.57

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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.