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Finding the Fourth Proportional to 65,216.64, 89,996.49 and 36,922.32

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Solution

The fourth proportional to 65,216.64, 89,996.49 and 36,922.32 is: 50,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,216.64 : 89,996.49 = 36,922.32 : x
  2. Step 2: Convert to fraction form
    65,216.64/89,996.49 = 36,922.32/x
  3. Step 3: Cross multiply
    65,216.64x = 89,996.49 × 36,922.32
  4. Step 4: Simplify right side
    65,216.64x = 3,322,879,202.66
  5. Step 5: Solve for x
    x = 3,322,879,202.66/65,216.64
  6. Step 6: Final answer
    x = 50,951.40

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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.