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Finding the Fourth Proportional to 65,216.98, 89,991.84 and 36,532.54

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Solution

The fourth proportional to 65,216.98, 89,991.84 and 36,532.54 is: 50,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,216.98 : 89,991.84 = 36,532.54 : x
  2. Step 2: Convert to fraction form
    65,216.98/89,991.84 = 36,532.54/x
  3. Step 3: Cross multiply
    65,216.98x = 89,991.84 × 36,532.54
  4. Step 4: Simplify right side
    65,216.98x = 3,287,630,494.47
  5. Step 5: Solve for x
    x = 3,287,630,494.47/65,216.98
  6. Step 6: Final answer
    x = 50,410.65

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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.