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Finding the Fourth Proportional to 16,826.70, 25,239.97 and 7,464.49

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Solution

The fourth proportional to 16,826.70, 25,239.97 and 7,464.49 is: 11,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826.70 : 25,239.97 = 7,464.49 : x
  2. Step 2: Convert to fraction form
    16,826.70/25,239.97 = 7,464.49/x
  3. Step 3: Cross multiply
    16,826.70x = 25,239.97 × 7,464.49
  4. Step 4: Simplify right side
    16,826.70x = 188,403,503.67
  5. Step 5: Solve for x
    x = 188,403,503.67/16,826.70
  6. Step 6: Final answer
    x = 11,196.70

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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.