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Finding the Fourth Proportional to 25,874.39, 38,826.64 and 10,880.42

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Solution

The fourth proportional to 25,874.39, 38,826.64 and 10,880.42 is: 16,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,874.39 : 38,826.64 = 10,880.42 : x
  2. Step 2: Convert to fraction form
    25,874.39/38,826.64 = 10,880.42/x
  3. Step 3: Cross multiply
    25,874.39x = 38,826.64 × 10,880.42
  4. Step 4: Simplify right side
    25,874.39x = 422,450,188.26
  5. Step 5: Solve for x
    x = 422,450,188.26/25,874.39
  6. Step 6: Final answer
    x = 16,326.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.