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Finding the Fourth Proportional to 64,647.44, 89,214 and 36,352.88

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Solution

The fourth proportional to 64,647.44, 89,214 and 36,352.88 is: 50,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,647.44 : 89,214 = 36,352.88 : x
  2. Step 2: Convert to fraction form
    64,647.44/89,214 = 36,352.88/x
  3. Step 3: Cross multiply
    64,647.44x = 89,214 × 36,352.88
  4. Step 4: Simplify right side
    64,647.44x = 3,243,185,836.32
  5. Step 5: Solve for x
    x = 3,243,185,836.32/64,647.44
  6. Step 6: Final answer
    x = 50,167.27

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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.