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Finding the Fourth Proportional to 17,252.74, 25,880.16 and 5,408.74

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Solution

The fourth proportional to 17,252.74, 25,880.16 and 5,408.74 is: 8,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,252.74 : 25,880.16 = 5,408.74 : x
  2. Step 2: Convert to fraction form
    17,252.74/25,880.16 = 5,408.74/x
  3. Step 3: Cross multiply
    17,252.74x = 25,880.16 × 5,408.74
  4. Step 4: Simplify right side
    17,252.74x = 139,979,056.60
  5. Step 5: Solve for x
    x = 139,979,056.60/17,252.74
  6. Step 6: Final answer
    x = 8,113.44

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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.