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Finding the Fourth Proportional to 6,992.93, 10,480.74 and 3,242.46

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Solution

The fourth proportional to 6,992.93, 10,480.74 and 3,242.46 is: 4,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.93 : 10,480.74 = 3,242.46 : x
  2. Step 2: Convert to fraction form
    6,992.93/10,480.74 = 3,242.46/x
  3. Step 3: Cross multiply
    6,992.93x = 10,480.74 × 3,242.46
  4. Step 4: Simplify right side
    6,992.93x = 33,983,337.17
  5. Step 5: Solve for x
    x = 33,983,337.17/6,992.93
  6. Step 6: Final answer
    x = 4,859.67

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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.