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Finding the Fourth Proportional to 5,448.93, 8,168.47 and 1,985.37

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Solution

The fourth proportional to 5,448.93, 8,168.47 and 1,985.37 is: 2,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.93 : 8,168.47 = 1,985.37 : x
  2. Step 2: Convert to fraction form
    5,448.93/8,168.47 = 1,985.37/x
  3. Step 3: Cross multiply
    5,448.93x = 8,168.47 × 1,985.37
  4. Step 4: Simplify right side
    5,448.93x = 16,217,430.32
  5. Step 5: Solve for x
    x = 16,217,430.32/5,448.93
  6. Step 6: Final answer
    x = 2,976.26

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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.