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Finding the Fourth Proportional to 7,203.15, 10,804.80 and 2,009.01

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Solution

The fourth proportional to 7,203.15, 10,804.80 and 2,009.01 is: 3,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.15 : 10,804.80 = 2,009.01 : x
  2. Step 2: Convert to fraction form
    7,203.15/10,804.80 = 2,009.01/x
  3. Step 3: Cross multiply
    7,203.15x = 10,804.80 × 2,009.01
  4. Step 4: Simplify right side
    7,203.15x = 21,706,951.25
  5. Step 5: Solve for x
    x = 21,706,951.25/7,203.15
  6. Step 6: Final answer
    x = 3,013.54

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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.