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Finding the Fourth Proportional to 14,630.88, 21,954 and 5,399.52

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Solution

The fourth proportional to 14,630.88, 21,954 and 5,399.52 is: 8,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.88 : 21,954 = 5,399.52 : x
  2. Step 2: Convert to fraction form
    14,630.88/21,954 = 5,399.52/x
  3. Step 3: Cross multiply
    14,630.88x = 21,954 × 5,399.52
  4. Step 4: Simplify right side
    14,630.88x = 118,541,062.08
  5. Step 5: Solve for x
    x = 118,541,062.08/14,630.88
  6. Step 6: Final answer
    x = 8,102.11

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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.