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Finding the Fourth Proportional to 65,812.26, 90,820.53 and 37,517.34

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Solution

The fourth proportional to 65,812.26, 90,820.53 and 37,517.34 is: 51,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,812.26 : 90,820.53 = 37,517.34 : x
  2. Step 2: Convert to fraction form
    65,812.26/90,820.53 = 37,517.34/x
  3. Step 3: Cross multiply
    65,812.26x = 90,820.53 × 37,517.34
  4. Step 4: Simplify right side
    65,812.26x = 3,407,344,702.99
  5. Step 5: Solve for x
    x = 3,407,344,702.99/65,812.26
  6. Step 6: Final answer
    x = 51,773.71

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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.