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Finding the Fourth Proportional to 65,896.89, 90,937.83 and 36,825.26

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Solution

The fourth proportional to 65,896.89, 90,937.83 and 36,825.26 is: 50,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,896.89 : 90,937.83 = 36,825.26 : x
  2. Step 2: Convert to fraction form
    65,896.89/90,937.83 = 36,825.26/x
  3. Step 3: Cross multiply
    65,896.89x = 90,937.83 × 36,825.26
  4. Step 4: Simplify right side
    65,896.89x = 3,348,809,098.30
  5. Step 5: Solve for x
    x = 3,348,809,098.30/65,896.89
  6. Step 6: Final answer
    x = 50,818.92

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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.