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Finding the Fourth Proportional to 5,465.88, 8,198.10 and 1,570.68

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Solution

The fourth proportional to 5,465.88, 8,198.10 and 1,570.68 is: 2,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.88 : 8,198.10 = 1,570.68 : x
  2. Step 2: Convert to fraction form
    5,465.88/8,198.10 = 1,570.68/x
  3. Step 3: Cross multiply
    5,465.88x = 8,198.10 × 1,570.68
  4. Step 4: Simplify right side
    5,465.88x = 12,876,591.71
  5. Step 5: Solve for x
    x = 12,876,591.71/5,465.88
  6. Step 6: Final answer
    x = 2,355.81

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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.