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Finding the Fourth Proportional to 7,333.96, 10,998.72 and 2,653.44

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Solution

The fourth proportional to 7,333.96, 10,998.72 and 2,653.44 is: 3,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.96 : 10,998.72 = 2,653.44 : x
  2. Step 2: Convert to fraction form
    7,333.96/10,998.72 = 2,653.44/x
  3. Step 3: Cross multiply
    7,333.96x = 10,998.72 × 2,653.44
  4. Step 4: Simplify right side
    7,333.96x = 29,184,443.60
  5. Step 5: Solve for x
    x = 29,184,443.60/7,333.96
  6. Step 6: Final answer
    x = 3,979.36

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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.