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Finding the Fourth Proportional to 14,168.66, 21,253.73 and 4,808.97

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Solution

The fourth proportional to 14,168.66, 21,253.73 and 4,808.97 is: 7,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.66 : 21,253.73 = 4,808.97 : x
  2. Step 2: Convert to fraction form
    14,168.66/21,253.73 = 4,808.97/x
  3. Step 3: Cross multiply
    14,168.66x = 21,253.73 × 4,808.97
  4. Step 4: Simplify right side
    14,168.66x = 102,208,525.91
  5. Step 5: Solve for x
    x = 102,208,525.91/14,168.66
  6. Step 6: Final answer
    x = 7,213.71

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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.