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Finding the Fourth Proportional to 19,920.08, 29,879.04 and 6,068

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Solution

The fourth proportional to 19,920.08, 29,879.04 and 6,068 is: 9,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920.08 : 29,879.04 = 6,068 : x
  2. Step 2: Convert to fraction form
    19,920.08/29,879.04 = 6,068/x
  3. Step 3: Cross multiply
    19,920.08x = 29,879.04 × 6,068
  4. Step 4: Simplify right side
    19,920.08x = 181,306,014.72
  5. Step 5: Solve for x
    x = 181,306,014.72/19,920.08
  6. Step 6: Final answer
    x = 9,101.67

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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.