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Finding the Fourth Proportional to 14,610.43, 21,880.50 and 8,351.45

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Solution

The fourth proportional to 14,610.43, 21,880.50 and 8,351.45 is: 12,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.43 : 21,880.50 = 8,351.45 : x
  2. Step 2: Convert to fraction form
    14,610.43/21,880.50 = 8,351.45/x
  3. Step 3: Cross multiply
    14,610.43x = 21,880.50 × 8,351.45
  4. Step 4: Simplify right side
    14,610.43x = 182,734,036.60
  5. Step 5: Solve for x
    x = 182,734,036.60/14,610.43
  6. Step 6: Final answer
    x = 12,507.10

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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.