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Finding the Fourth Proportional to 3,395.16, 5,093.46 and 1,055.16

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Solution

The fourth proportional to 3,395.16, 5,093.46 and 1,055.16 is: 1,582.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.16 : 5,093.46 = 1,055.16 : x
  2. Step 2: Convert to fraction form
    3,395.16/5,093.46 = 1,055.16/x
  3. Step 3: Cross multiply
    3,395.16x = 5,093.46 × 1,055.16
  4. Step 4: Simplify right side
    3,395.16x = 5,374,415.25
  5. Step 5: Solve for x
    x = 5,374,415.25/3,395.16
  6. Step 6: Final answer
    x = 1,582.96

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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.