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Finding the Fourth Proportional to 7,207.65, 10,808.73 and 2,824.11

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Solution

The fourth proportional to 7,207.65, 10,808.73 and 2,824.11 is: 4,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.65 : 10,808.73 = 2,824.11 : x
  2. Step 2: Convert to fraction form
    7,207.65/10,808.73 = 2,824.11/x
  3. Step 3: Cross multiply
    7,207.65x = 10,808.73 × 2,824.11
  4. Step 4: Simplify right side
    7,207.65x = 30,525,042.48
  5. Step 5: Solve for x
    x = 30,525,042.48/7,207.65
  6. Step 6: Final answer
    x = 4,235.09

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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.