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Finding the Fourth Proportional to 4,891.51, 7,337.27 and 1,731.30

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Solution

The fourth proportional to 4,891.51, 7,337.27 and 1,731.30 is: 2,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.51 : 7,337.27 = 1,731.30 : x
  2. Step 2: Convert to fraction form
    4,891.51/7,337.27 = 1,731.30/x
  3. Step 3: Cross multiply
    4,891.51x = 7,337.27 × 1,731.30
  4. Step 4: Simplify right side
    4,891.51x = 12,703,015.55
  5. Step 5: Solve for x
    x = 12,703,015.55/4,891.51
  6. Step 6: Final answer
    x = 2,596.95

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Double scale
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Similar ratio
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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.