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Finding the Fourth Proportional to 33,284.64, 45,932.76 and 18,380.64

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Solution

The fourth proportional to 33,284.64, 45,932.76 and 18,380.64 is: 25,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,284.64 : 45,932.76 = 18,380.64 : x
  2. Step 2: Convert to fraction form
    33,284.64/45,932.76 = 18,380.64/x
  3. Step 3: Cross multiply
    33,284.64x = 45,932.76 × 18,380.64
  4. Step 4: Simplify right side
    33,284.64x = 844,273,525.77
  5. Step 5: Solve for x
    x = 844,273,525.77/33,284.64
  6. Step 6: Final answer
    x = 25,365.26

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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.