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Finding the Fourth Proportional to 13,294.44, 19,944.08 and 5,503.84

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Solution

The fourth proportional to 13,294.44, 19,944.08 and 5,503.84 is: 8,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.44 : 19,944.08 = 5,503.84 : x
  2. Step 2: Convert to fraction form
    13,294.44/19,944.08 = 5,503.84/x
  3. Step 3: Cross multiply
    13,294.44x = 19,944.08 × 5,503.84
  4. Step 4: Simplify right side
    13,294.44x = 109,769,025.27
  5. Step 5: Solve for x
    x = 109,769,025.27/13,294.44
  6. Step 6: Final answer
    x = 8,256.76

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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.