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Finding the Fourth Proportional to 5,839.63, 8,760.93 and 1,679.55

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Solution

The fourth proportional to 5,839.63, 8,760.93 and 1,679.55 is: 2,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839.63 : 8,760.93 = 1,679.55 : x
  2. Step 2: Convert to fraction form
    5,839.63/8,760.93 = 1,679.55/x
  3. Step 3: Cross multiply
    5,839.63x = 8,760.93 × 1,679.55
  4. Step 4: Simplify right side
    5,839.63x = 14,714,419.98
  5. Step 5: Solve for x
    x = 14,714,419.98/5,839.63
  6. Step 6: Final answer
    x = 2,519.75

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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.