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Finding the Fourth Proportional to 32,891.87, 45,390.07 and 18,551.73

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Solution

The fourth proportional to 32,891.87, 45,390.07 and 18,551.73 is: 25,600.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,891.87 : 45,390.07 = 18,551.73 : x
  2. Step 2: Convert to fraction form
    32,891.87/45,390.07 = 18,551.73/x
  3. Step 3: Cross multiply
    32,891.87x = 45,390.07 × 18,551.73
  4. Step 4: Simplify right side
    32,891.87x = 842,064,516.72
  5. Step 5: Solve for x
    x = 842,064,516.72/32,891.87
  6. Step 6: Final answer
    x = 25,600.99

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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.