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Finding the Fourth Proportional to 5,330.77, 7,992.02 and 3,572.96

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Solution

The fourth proportional to 5,330.77, 7,992.02 and 3,572.96 is: 5,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.77 : 7,992.02 = 3,572.96 : x
  2. Step 2: Convert to fraction form
    5,330.77/7,992.02 = 3,572.96/x
  3. Step 3: Cross multiply
    5,330.77x = 7,992.02 × 3,572.96
  4. Step 4: Simplify right side
    5,330.77x = 28,555,136.75
  5. Step 5: Solve for x
    x = 28,555,136.75/5,330.77
  6. Step 6: Final answer
    x = 5,356.67

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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.