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Finding the Fourth Proportional to 13,483.44, 20,226.24 and 5,167.44

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Solution

The fourth proportional to 13,483.44, 20,226.24 and 5,167.44 is: 7,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.44 : 20,226.24 = 5,167.44 : x
  2. Step 2: Convert to fraction form
    13,483.44/20,226.24 = 5,167.44/x
  3. Step 3: Cross multiply
    13,483.44x = 20,226.24 × 5,167.44
  4. Step 4: Simplify right side
    13,483.44x = 104,517,881.63
  5. Step 5: Solve for x
    x = 104,517,881.63/13,483.44
  6. Step 6: Final answer
    x = 7,751.57

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1.5x scale

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.