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Finding the Fourth Proportional to 14,063, 21,087.12 and 5,738.36

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Solution

The fourth proportional to 14,063, 21,087.12 and 5,738.36 is: 8,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063 : 21,087.12 = 5,738.36 : x
  2. Step 2: Convert to fraction form
    14,063/21,087.12 = 5,738.36/x
  3. Step 3: Cross multiply
    14,063x = 21,087.12 × 5,738.36
  4. Step 4: Simplify right side
    14,063x = 121,005,485.92
  5. Step 5: Solve for x
    x = 121,005,485.92/14,063
  6. Step 6: Final answer
    x = 8,604.53

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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.