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Finding the Fourth Proportional to 5,760.81, 8,641.26 and 1,600.92

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Solution

The fourth proportional to 5,760.81, 8,641.26 and 1,600.92 is: 2,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.81 : 8,641.26 = 1,600.92 : x
  2. Step 2: Convert to fraction form
    5,760.81/8,641.26 = 1,600.92/x
  3. Step 3: Cross multiply
    5,760.81x = 8,641.26 × 1,600.92
  4. Step 4: Simplify right side
    5,760.81x = 13,833,965.96
  5. Step 5: Solve for x
    x = 13,833,965.96/5,760.81
  6. Step 6: Final answer
    x = 2,401.39

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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.