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Finding the Fourth Proportional to 5,359.08, 8,040 and 2,071.32

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Solution

The fourth proportional to 5,359.08, 8,040 and 2,071.32 is: 3,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.08 : 8,040 = 2,071.32 : x
  2. Step 2: Convert to fraction form
    5,359.08/8,040 = 2,071.32/x
  3. Step 3: Cross multiply
    5,359.08x = 8,040 × 2,071.32
  4. Step 4: Simplify right side
    5,359.08x = 16,653,412.80
  5. Step 5: Solve for x
    x = 16,653,412.80/5,359.08
  6. Step 6: Final answer
    x = 3,107.51

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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.