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Finding the Fourth Proportional to 14,469.90, 21,704.85 and 6,674.46

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Solution

The fourth proportional to 14,469.90, 21,704.85 and 6,674.46 is: 10,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.90 : 21,704.85 = 6,674.46 : x
  2. Step 2: Convert to fraction form
    14,469.90/21,704.85 = 6,674.46/x
  3. Step 3: Cross multiply
    14,469.90x = 21,704.85 × 6,674.46
  4. Step 4: Simplify right side
    14,469.90x = 144,868,153.13
  5. Step 5: Solve for x
    x = 144,868,153.13/14,469.90
  6. Step 6: Final answer
    x = 10,011.69

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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.