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Finding the Fourth Proportional to 14,616.88, 21,922.88 and 5,255.00

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Solution

The fourth proportional to 14,616.88, 21,922.88 and 5,255.00 is: 7,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.88 : 21,922.88 = 5,255.00 : x
  2. Step 2: Convert to fraction form
    14,616.88/21,922.88 = 5,255.00/x
  3. Step 3: Cross multiply
    14,616.88x = 21,922.88 × 5,255.00
  4. Step 4: Simplify right side
    14,616.88x = 115,204,802.34
  5. Step 5: Solve for x
    x = 115,204,802.34/14,616.88
  6. Step 6: Final answer
    x = 7,881.63

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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.