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Finding the Fourth Proportional to 16,961.73, 25,438.05 and 7,098.99

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Solution

The fourth proportional to 16,961.73, 25,438.05 and 7,098.99 is: 10,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.73 : 25,438.05 = 7,098.99 : x
  2. Step 2: Convert to fraction form
    16,961.73/25,438.05 = 7,098.99/x
  3. Step 3: Cross multiply
    16,961.73x = 25,438.05 × 7,098.99
  4. Step 4: Simplify right side
    16,961.73x = 180,584,462.57
  5. Step 5: Solve for x
    x = 180,584,462.57/16,961.73
  6. Step 6: Final answer
    x = 10,646.58

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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.