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Finding the Fourth Proportional to 9,811.50, 14,709.05 and 4,550.27

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Solution

The fourth proportional to 9,811.50, 14,709.05 and 4,550.27 is: 6,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.50 : 14,709.05 = 4,550.27 : x
  2. Step 2: Convert to fraction form
    9,811.50/14,709.05 = 4,550.27/x
  3. Step 3: Cross multiply
    9,811.50x = 14,709.05 × 4,550.27
  4. Step 4: Simplify right side
    9,811.50x = 66,930,052.65
  5. Step 5: Solve for x
    x = 66,930,052.65/9,811.50
  6. Step 6: Final answer
    x = 6,821.59

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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.