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Finding the Fourth Proportional to 5,841.42, 8,761.64 and 1,458.87

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Solution

The fourth proportional to 5,841.42, 8,761.64 and 1,458.87 is: 2,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,841.42 : 8,761.64 = 1,458.87 : x
  2. Step 2: Convert to fraction form
    5,841.42/8,761.64 = 1,458.87/x
  3. Step 3: Cross multiply
    5,841.42x = 8,761.64 × 1,458.87
  4. Step 4: Simplify right side
    5,841.42x = 12,782,086.45
  5. Step 5: Solve for x
    x = 12,782,086.45/5,841.42
  6. Step 6: Final answer
    x = 2,188.18

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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.