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Finding the Fourth Proportional to 5,840.64, 8,760.94 and 1,736.64

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Solution

The fourth proportional to 5,840.64, 8,760.94 and 1,736.64 is: 2,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.64 : 8,760.94 = 1,736.64 : x
  2. Step 2: Convert to fraction form
    5,840.64/8,760.94 = 1,736.64/x
  3. Step 3: Cross multiply
    5,840.64x = 8,760.94 × 1,736.64
  4. Step 4: Simplify right side
    5,840.64x = 15,214,598.84
  5. Step 5: Solve for x
    x = 15,214,598.84/5,840.64
  6. Step 6: Final answer
    x = 2,604.95

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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.