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Finding the Fourth Proportional to 14,383.92, 21,561.93 and 7,367.24

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Solution

The fourth proportional to 14,383.92, 21,561.93 and 7,367.24 is: 11,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.92 : 21,561.93 = 7,367.24 : x
  2. Step 2: Convert to fraction form
    14,383.92/21,561.93 = 7,367.24/x
  3. Step 3: Cross multiply
    14,383.92x = 21,561.93 × 7,367.24
  4. Step 4: Simplify right side
    14,383.92x = 158,851,913.17
  5. Step 5: Solve for x
    x = 158,851,913.17/14,383.92
  6. Step 6: Final answer
    x = 11,043.72

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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.