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Finding the Fourth Proportional to 65,844.56, 90,858.88 and 37,161.66

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Solution

The fourth proportional to 65,844.56, 90,858.88 and 37,161.66 is: 51,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,844.56 : 90,858.88 = 37,161.66 : x
  2. Step 2: Convert to fraction form
    65,844.56/90,858.88 = 37,161.66/x
  3. Step 3: Cross multiply
    65,844.56x = 90,858.88 × 37,161.66
  4. Step 4: Simplify right side
    65,844.56x = 3,376,466,806.54
  5. Step 5: Solve for x
    x = 3,376,466,806.54/65,844.56
  6. Step 6: Final answer
    x = 51,279.36

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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.