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Finding the Fourth Proportional to 7,203.30, 10,804.55 and 2,009.18

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Solution

The fourth proportional to 7,203.30, 10,804.55 and 2,009.18 is: 3,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.30 : 10,804.55 = 2,009.18 : x
  2. Step 2: Convert to fraction form
    7,203.30/10,804.55 = 2,009.18/x
  3. Step 3: Cross multiply
    7,203.30x = 10,804.55 × 2,009.18
  4. Step 4: Simplify right side
    7,203.30x = 21,708,221.70
  5. Step 5: Solve for x
    x = 21,708,221.70/7,203.30
  6. Step 6: Final answer
    x = 3,013.65

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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.