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Finding the Fourth Proportional to 64,863.56, 89,507.22 and 36,563.24

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Solution

The fourth proportional to 64,863.56, 89,507.22 and 36,563.24 is: 50,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,863.56 : 89,507.22 = 36,563.24 : x
  2. Step 2: Convert to fraction form
    64,863.56/89,507.22 = 36,563.24/x
  3. Step 3: Cross multiply
    64,863.56x = 89,507.22 × 36,563.24
  4. Step 4: Simplify right side
    64,863.56x = 3,272,673,966.59
  5. Step 5: Solve for x
    x = 3,272,673,966.59/64,863.56
  6. Step 6: Final answer
    x = 50,454.74

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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.