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Finding the Fourth Proportional to 10,998.96, 16,497.87 and 3,602.44

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Solution

The fourth proportional to 10,998.96, 16,497.87 and 3,602.44 is: 5,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.96 : 16,497.87 = 3,602.44 : x
  2. Step 2: Convert to fraction form
    10,998.96/16,497.87 = 3,602.44/x
  3. Step 3: Cross multiply
    10,998.96x = 16,497.87 × 3,602.44
  4. Step 4: Simplify right side
    10,998.96x = 59,432,586.80
  5. Step 5: Solve for x
    x = 59,432,586.80/10,998.96
  6. Step 6: Final answer
    x = 5,403.47

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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.