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Finding the Fourth Proportional to 16,825.21, 25,253.44 and 8,511.10

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Solution

The fourth proportional to 16,825.21, 25,253.44 and 8,511.10 is: 12,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.21 : 25,253.44 = 8,511.10 : x
  2. Step 2: Convert to fraction form
    16,825.21/25,253.44 = 8,511.10/x
  3. Step 3: Cross multiply
    16,825.21x = 25,253.44 × 8,511.10
  4. Step 4: Simplify right side
    16,825.21x = 214,934,468.77
  5. Step 5: Solve for x
    x = 214,934,468.77/16,825.21
  6. Step 6: Final answer
    x = 12,774.55

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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.