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Finding the Fourth Proportional to 7,575.96, 11,363.88 and 2,958.96

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Solution

The fourth proportional to 7,575.96, 11,363.88 and 2,958.96 is: 4,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.96 : 11,363.88 = 2,958.96 : x
  2. Step 2: Convert to fraction form
    7,575.96/11,363.88 = 2,958.96/x
  3. Step 3: Cross multiply
    7,575.96x = 11,363.88 × 2,958.96
  4. Step 4: Simplify right side
    7,575.96x = 33,625,266.36
  5. Step 5: Solve for x
    x = 33,625,266.36/7,575.96
  6. Step 6: Final answer
    x = 4,438.42

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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.