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Finding the Fourth Proportional to 11,754.98, 17,621.22 and 4,357.45

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Solution

The fourth proportional to 11,754.98, 17,621.22 and 4,357.45 is: 6,532.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.98 : 17,621.22 = 4,357.45 : x
  2. Step 2: Convert to fraction form
    11,754.98/17,621.22 = 4,357.45/x
  3. Step 3: Cross multiply
    11,754.98x = 17,621.22 × 4,357.45
  4. Step 4: Simplify right side
    11,754.98x = 76,783,585.09
  5. Step 5: Solve for x
    x = 76,783,585.09/11,754.98
  6. Step 6: Final answer
    x = 6,532.00

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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.