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Finding the Fourth Proportional to 5,818.14, 8,727.21 and 4,950.63

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Solution

The fourth proportional to 5,818.14, 8,727.21 and 4,950.63 is: 7,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.14 : 8,727.21 = 4,950.63 : x
  2. Step 2: Convert to fraction form
    5,818.14/8,727.21 = 4,950.63/x
  3. Step 3: Cross multiply
    5,818.14x = 8,727.21 × 4,950.63
  4. Step 4: Simplify right side
    5,818.14x = 43,205,187.64
  5. Step 5: Solve for x
    x = 43,205,187.64/5,818.14
  6. Step 6: Final answer
    x = 7,425.95

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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.