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Finding the Fourth Proportional to 3,866.47, 5,796.63 and 1,673.66

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Solution

The fourth proportional to 3,866.47, 5,796.63 and 1,673.66 is: 2,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.47 : 5,796.63 = 1,673.66 : x
  2. Step 2: Convert to fraction form
    3,866.47/5,796.63 = 1,673.66/x
  3. Step 3: Cross multiply
    3,866.47x = 5,796.63 × 1,673.66
  4. Step 4: Simplify right side
    3,866.47x = 9,701,602.26
  5. Step 5: Solve for x
    x = 9,701,602.26/3,866.47
  6. Step 6: Final answer
    x = 2,509.16

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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.