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Finding the Fourth Proportional to 7,203.39, 10,806.90 and 2,009.25

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Solution

The fourth proportional to 7,203.39, 10,806.90 and 2,009.25 is: 3,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.39 : 10,806.90 = 2,009.25 : x
  2. Step 2: Convert to fraction form
    7,203.39/10,806.90 = 2,009.25/x
  3. Step 3: Cross multiply
    7,203.39x = 10,806.90 × 2,009.25
  4. Step 4: Simplify right side
    7,203.39x = 21,713,763.83
  5. Step 5: Solve for x
    x = 21,713,763.83/7,203.39
  6. Step 6: Final answer
    x = 3,014.38

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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.