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Finding the Fourth Proportional to 5,726.28, 8,589.60 and 1,833.60

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Solution

The fourth proportional to 5,726.28, 8,589.60 and 1,833.60 is: 2,750.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.28 : 8,589.60 = 1,833.60 : x
  2. Step 2: Convert to fraction form
    5,726.28/8,589.60 = 1,833.60/x
  3. Step 3: Cross multiply
    5,726.28x = 8,589.60 × 1,833.60
  4. Step 4: Simplify right side
    5,726.28x = 15,749,890.56
  5. Step 5: Solve for x
    x = 15,749,890.56/5,726.28
  6. Step 6: Final answer
    x = 2,750.46

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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.