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Finding the Fourth Proportional to 7,208.69, 10,814.72 and 3,049.07

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Solution

The fourth proportional to 7,208.69, 10,814.72 and 3,049.07 is: 4,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.69 : 10,814.72 = 3,049.07 : x
  2. Step 2: Convert to fraction form
    7,208.69/10,814.72 = 3,049.07/x
  3. Step 3: Cross multiply
    7,208.69x = 10,814.72 × 3,049.07
  4. Step 4: Simplify right side
    7,208.69x = 32,974,768.99
  5. Step 5: Solve for x
    x = 32,974,768.99/7,208.69
  6. Step 6: Final answer
    x = 4,574.31

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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.