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Finding the Fourth Proportional to 5,797.77, 8,680.09 and 5,429.95

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Solution

The fourth proportional to 5,797.77, 8,680.09 and 5,429.95 is: 8,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,797.77 : 8,680.09 = 5,429.95 : x
  2. Step 2: Convert to fraction form
    5,797.77/8,680.09 = 5,429.95/x
  3. Step 3: Cross multiply
    5,797.77x = 8,680.09 × 5,429.95
  4. Step 4: Simplify right side
    5,797.77x = 47,132,454.70
  5. Step 5: Solve for x
    x = 47,132,454.70/5,797.77
  6. Step 6: Final answer
    x = 8,129.41

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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.