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Finding the Fourth Proportional to 14,473.46, 21,694.35 and 7,453.90

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Solution

The fourth proportional to 14,473.46, 21,694.35 and 7,453.90 is: 11,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,473.46 : 21,694.35 = 7,453.90 : x
  2. Step 2: Convert to fraction form
    14,473.46/21,694.35 = 7,453.90/x
  3. Step 3: Cross multiply
    14,473.46x = 21,694.35 × 7,453.90
  4. Step 4: Simplify right side
    14,473.46x = 161,707,369.72
  5. Step 5: Solve for x
    x = 161,707,369.72/14,473.46
  6. Step 6: Final answer
    x = 11,172.69

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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.