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Finding the Fourth Proportional to 9,998.59, 14,997.89 and 3,073.09

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Solution

The fourth proportional to 9,998.59, 14,997.89 and 3,073.09 is: 4,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.59 : 14,997.89 = 3,073.09 : x
  2. Step 2: Convert to fraction form
    9,998.59/14,997.89 = 3,073.09/x
  3. Step 3: Cross multiply
    9,998.59x = 14,997.89 × 3,073.09
  4. Step 4: Simplify right side
    9,998.59x = 46,089,865.78
  5. Step 5: Solve for x
    x = 46,089,865.78/9,998.59
  6. Step 6: Final answer
    x = 4,609.64

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Half scale
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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.