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Finding the Fourth Proportional to 14,625.56, 21,940.68 and 4,764.08

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Solution

The fourth proportional to 14,625.56, 21,940.68 and 4,764.08 is: 7,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.56 : 21,940.68 = 4,764.08 : x
  2. Step 2: Convert to fraction form
    14,625.56/21,940.68 = 4,764.08/x
  3. Step 3: Cross multiply
    14,625.56x = 21,940.68 × 4,764.08
  4. Step 4: Simplify right side
    14,625.56x = 104,527,154.77
  5. Step 5: Solve for x
    x = 104,527,154.77/14,625.56
  6. Step 6: Final answer
    x = 7,146.88

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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.