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Finding the Fourth Proportional to 6,661.01, 9,992.73 and 3,542.51

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Solution

The fourth proportional to 6,661.01, 9,992.73 and 3,542.51 is: 5,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.01 : 9,992.73 = 3,542.51 : x
  2. Step 2: Convert to fraction form
    6,661.01/9,992.73 = 3,542.51/x
  3. Step 3: Cross multiply
    6,661.01x = 9,992.73 × 3,542.51
  4. Step 4: Simplify right side
    6,661.01x = 35,399,345.95
  5. Step 5: Solve for x
    x = 35,399,345.95/6,661.01
  6. Step 6: Final answer
    x = 5,314.41

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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.