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Finding the Fourth Proportional to 4,472.48, 6,709.08 and 1,394.48

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Solution

The fourth proportional to 4,472.48, 6,709.08 and 1,394.48 is: 2,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.48 : 6,709.08 = 1,394.48 : x
  2. Step 2: Convert to fraction form
    4,472.48/6,709.08 = 1,394.48/x
  3. Step 3: Cross multiply
    4,472.48x = 6,709.08 × 1,394.48
  4. Step 4: Simplify right side
    4,472.48x = 9,355,677.88
  5. Step 5: Solve for x
    x = 9,355,677.88/4,472.48
  6. Step 6: Final answer
    x = 2,091.83

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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.