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Finding the Fourth Proportional to 14,983.70, 22,468.19 and 8,745.21

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Solution

The fourth proportional to 14,983.70, 22,468.19 and 8,745.21 is: 13,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.70 : 22,468.19 = 8,745.21 : x
  2. Step 2: Convert to fraction form
    14,983.70/22,468.19 = 8,745.21/x
  3. Step 3: Cross multiply
    14,983.70x = 22,468.19 × 8,745.21
  4. Step 4: Simplify right side
    14,983.70x = 196,488,996.14
  5. Step 5: Solve for x
    x = 196,488,996.14/14,983.70
  6. Step 6: Final answer
    x = 13,113.52

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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.