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Finding the Fourth Proportional to 6,653.96, 9,980.94 and 3,734.31

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Solution

The fourth proportional to 6,653.96, 9,980.94 and 3,734.31 is: 5,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.96 : 9,980.94 = 3,734.31 : x
  2. Step 2: Convert to fraction form
    6,653.96/9,980.94 = 3,734.31/x
  3. Step 3: Cross multiply
    6,653.96x = 9,980.94 × 3,734.31
  4. Step 4: Simplify right side
    6,653.96x = 37,271,926.41
  5. Step 5: Solve for x
    x = 37,271,926.41/6,653.96
  6. Step 6: Final answer
    x = 5,601.47

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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.