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Finding the Fourth Proportional to 14,233, 21,351.12 and 7,309.12

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Solution

The fourth proportional to 14,233, 21,351.12 and 7,309.12 is: 10,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233 : 21,351.12 = 7,309.12 : x
  2. Step 2: Convert to fraction form
    14,233/21,351.12 = 7,309.12/x
  3. Step 3: Cross multiply
    14,233x = 21,351.12 × 7,309.12
  4. Step 4: Simplify right side
    14,233x = 156,057,898.21
  5. Step 5: Solve for x
    x = 156,057,898.21/14,233
  6. Step 6: Final answer
    x = 10,964.51

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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.