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Finding the Fourth Proportional to 13,833.84, 20,751.72 and 4,344.84

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Solution

The fourth proportional to 13,833.84, 20,751.72 and 4,344.84 is: 6,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.84 : 20,751.72 = 4,344.84 : x
  2. Step 2: Convert to fraction form
    13,833.84/20,751.72 = 4,344.84/x
  3. Step 3: Cross multiply
    13,833.84x = 20,751.72 × 4,344.84
  4. Step 4: Simplify right side
    13,833.84x = 90,162,903.12
  5. Step 5: Solve for x
    x = 90,162,903.12/13,833.84
  6. Step 6: Final answer
    x = 6,517.56

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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.