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Finding the Fourth Proportional to 5,326.92, 7,992.90 and 2,041.20

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Solution

The fourth proportional to 5,326.92, 7,992.90 and 2,041.20 is: 3,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.92 : 7,992.90 = 2,041.20 : x
  2. Step 2: Convert to fraction form
    5,326.92/7,992.90 = 2,041.20/x
  3. Step 3: Cross multiply
    5,326.92x = 7,992.90 × 2,041.20
  4. Step 4: Simplify right side
    5,326.92x = 16,315,107.48
  5. Step 5: Solve for x
    x = 16,315,107.48/5,326.92
  6. Step 6: Final answer
    x = 3,062.77

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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.