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Finding the Fourth Proportional to 9,245.73, 13,868.79 and 3,005.73

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Solution

The fourth proportional to 9,245.73, 13,868.79 and 3,005.73 is: 4,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.73 : 13,868.79 = 3,005.73 : x
  2. Step 2: Convert to fraction form
    9,245.73/13,868.79 = 3,005.73/x
  3. Step 3: Cross multiply
    9,245.73x = 13,868.79 × 3,005.73
  4. Step 4: Simplify right side
    9,245.73x = 41,685,838.17
  5. Step 5: Solve for x
    x = 41,685,838.17/9,245.73
  6. Step 6: Final answer
    x = 4,508.66

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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.