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Finding the Fourth Proportional to 14,509.53, 21,757.01 and 6,723.81

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Solution

The fourth proportional to 14,509.53, 21,757.01 and 6,723.81 is: 10,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.53 : 21,757.01 = 6,723.81 : x
  2. Step 2: Convert to fraction form
    14,509.53/21,757.01 = 6,723.81/x
  3. Step 3: Cross multiply
    14,509.53x = 21,757.01 × 6,723.81
  4. Step 4: Simplify right side
    14,509.53x = 146,289,967.79
  5. Step 5: Solve for x
    x = 146,289,967.79/14,509.53
  6. Step 6: Final answer
    x = 10,082.34

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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.