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Finding the Fourth Proportional to 32,889.87, 45,376.88 and 18,732.69

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Solution

The fourth proportional to 32,889.87, 45,376.88 and 18,732.69 is: 25,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,889.87 : 45,376.88 = 18,732.69 : x
  2. Step 2: Convert to fraction form
    32,889.87/45,376.88 = 18,732.69/x
  3. Step 3: Cross multiply
    32,889.87x = 45,376.88 × 18,732.69
  4. Step 4: Simplify right side
    32,889.87x = 850,030,932.54
  5. Step 5: Solve for x
    x = 850,030,932.54/32,889.87
  6. Step 6: Final answer
    x = 25,844.76

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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.