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Finding the Fourth Proportional to 13,364.60, 20,047.03 and 5,969.42

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Solution

The fourth proportional to 13,364.60, 20,047.03 and 5,969.42 is: 8,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.60 : 20,047.03 = 5,969.42 : x
  2. Step 2: Convert to fraction form
    13,364.60/20,047.03 = 5,969.42/x
  3. Step 3: Cross multiply
    13,364.60x = 20,047.03 × 5,969.42
  4. Step 4: Simplify right side
    13,364.60x = 119,669,141.82
  5. Step 5: Solve for x
    x = 119,669,141.82/13,364.60
  6. Step 6: Final answer
    x = 8,954.19

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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.