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Finding the Fourth Proportional to 14,316.68, 21,474.03 and 4,954.52

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Solution

The fourth proportional to 14,316.68, 21,474.03 and 4,954.52 is: 7,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.68 : 21,474.03 = 4,954.52 : x
  2. Step 2: Convert to fraction form
    14,316.68/21,474.03 = 4,954.52/x
  3. Step 3: Cross multiply
    14,316.68x = 21,474.03 × 4,954.52
  4. Step 4: Simplify right side
    14,316.68x = 106,393,511.12
  5. Step 5: Solve for x
    x = 106,393,511.12/14,316.68
  6. Step 6: Final answer
    x = 7,431.44

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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.