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Finding the Fourth Proportional to 7,207.72, 10,813.22 and 3,048.08

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Solution

The fourth proportional to 7,207.72, 10,813.22 and 3,048.08 is: 4,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.72 : 10,813.22 = 3,048.08 : x
  2. Step 2: Convert to fraction form
    7,207.72/10,813.22 = 3,048.08/x
  3. Step 3: Cross multiply
    7,207.72x = 10,813.22 × 3,048.08
  4. Step 4: Simplify right side
    7,207.72x = 32,959,559.62
  5. Step 5: Solve for x
    x = 32,959,559.62/7,207.72
  6. Step 6: Final answer
    x = 4,572.81

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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.