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Finding the Fourth Proportional to 7,352.01, 11,021.82 and 3,188.89

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Solution

The fourth proportional to 7,352.01, 11,021.82 and 3,188.89 is: 4,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.01 : 11,021.82 = 3,188.89 : x
  2. Step 2: Convert to fraction form
    7,352.01/11,021.82 = 3,188.89/x
  3. Step 3: Cross multiply
    7,352.01x = 11,021.82 × 3,188.89
  4. Step 4: Simplify right side
    7,352.01x = 35,147,363.83
  5. Step 5: Solve for x
    x = 35,147,363.83/7,352.01
  6. Step 6: Final answer
    x = 4,780.64

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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.