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Finding the Fourth Proportional to 6,673.72, 10,010.47 and 1,993.74

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Solution

The fourth proportional to 6,673.72, 10,010.47 and 1,993.74 is: 2,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.72 : 10,010.47 = 1,993.74 : x
  2. Step 2: Convert to fraction form
    6,673.72/10,010.47 = 1,993.74/x
  3. Step 3: Cross multiply
    6,673.72x = 10,010.47 × 1,993.74
  4. Step 4: Simplify right side
    6,673.72x = 19,958,274.46
  5. Step 5: Solve for x
    x = 19,958,274.46/6,673.72
  6. Step 6: Final answer
    x = 2,990.58

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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.