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Finding the Fourth Proportional to 5,797.31, 8,695.81 and 1,637.61

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Solution

The fourth proportional to 5,797.31, 8,695.81 and 1,637.61 is: 2,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,797.31 : 8,695.81 = 1,637.61 : x
  2. Step 2: Convert to fraction form
    5,797.31/8,695.81 = 1,637.61/x
  3. Step 3: Cross multiply
    5,797.31x = 8,695.81 × 1,637.61
  4. Step 4: Simplify right side
    5,797.31x = 14,240,301.94
  5. Step 5: Solve for x
    x = 14,240,301.94/5,797.31
  6. Step 6: Final answer
    x = 2,456.36

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1.5x scale

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.