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Finding the Fourth Proportional to 5,843.32, 8,062.46 and 3,485

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Solution

The fourth proportional to 5,843.32, 8,062.46 and 3,485 is: 4,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,843.32 : 8,062.46 = 3,485 : x
  2. Step 2: Convert to fraction form
    5,843.32/8,062.46 = 3,485/x
  3. Step 3: Cross multiply
    5,843.32x = 8,062.46 × 3,485
  4. Step 4: Simplify right side
    5,843.32x = 28,097,673.10
  5. Step 5: Solve for x
    x = 28,097,673.10/5,843.32
  6. Step 6: Final answer
    x = 4,808.51

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Why These Related Problems?

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