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Finding the Fourth Proportional to 9,992.92, 14,998.60 and 5,066

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Solution

The fourth proportional to 9,992.92, 14,998.60 and 5,066 is: 7,603.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.92 : 14,998.60 = 5,066 : x
  2. Step 2: Convert to fraction form
    9,992.92/14,998.60 = 5,066/x
  3. Step 3: Cross multiply
    9,992.92x = 14,998.60 × 5,066
  4. Step 4: Simplify right side
    9,992.92x = 75,982,907.60
  5. Step 5: Solve for x
    x = 75,982,907.60/9,992.92
  6. Step 6: Final answer
    x = 7,603.67

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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.