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Finding the Fourth Proportional to 65,865.44, 90,885.84 and 37,569.44

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Solution

The fourth proportional to 65,865.44, 90,885.84 and 37,569.44 is: 51,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,865.44 : 90,885.84 = 37,569.44 : x
  2. Step 2: Convert to fraction form
    65,865.44/90,885.84 = 37,569.44/x
  3. Step 3: Cross multiply
    65,865.44x = 90,885.84 × 37,569.44
  4. Step 4: Simplify right side
    65,865.44x = 3,414,530,112.73
  5. Step 5: Solve for x
    x = 3,414,530,112.73/65,865.44
  6. Step 6: Final answer
    x = 51,841.00

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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.