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Finding the Fourth Proportional to 7,009.91, 9,673.43 and 3,866.07

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Solution

The fourth proportional to 7,009.91, 9,673.43 and 3,866.07 is: 5,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.91 : 9,673.43 = 3,866.07 : x
  2. Step 2: Convert to fraction form
    7,009.91/9,673.43 = 3,866.07/x
  3. Step 3: Cross multiply
    7,009.91x = 9,673.43 × 3,866.07
  4. Step 4: Simplify right side
    7,009.91x = 37,398,138.19
  5. Step 5: Solve for x
    x = 37,398,138.19/7,009.91
  6. Step 6: Final answer
    x = 5,335.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.