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Finding the Fourth Proportional to 14,409.38, 21,595.23 and 7,383.44

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Solution

The fourth proportional to 14,409.38, 21,595.23 and 7,383.44 is: 11,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.38 : 21,595.23 = 7,383.44 : x
  2. Step 2: Convert to fraction form
    14,409.38/21,595.23 = 7,383.44/x
  3. Step 3: Cross multiply
    14,409.38x = 21,595.23 × 7,383.44
  4. Step 4: Simplify right side
    14,409.38x = 159,446,977.02
  5. Step 5: Solve for x
    x = 159,446,977.02/14,409.38
  6. Step 6: Final answer
    x = 11,065.50

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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.