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Finding the Fourth Proportional to 4,698.68, 7,047.86 and 2,234.68

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Solution

The fourth proportional to 4,698.68, 7,047.86 and 2,234.68 is: 3,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698.68 : 7,047.86 = 2,234.68 : x
  2. Step 2: Convert to fraction form
    4,698.68/7,047.86 = 2,234.68/x
  3. Step 3: Cross multiply
    4,698.68x = 7,047.86 × 2,234.68
  4. Step 4: Simplify right side
    4,698.68x = 15,749,711.78
  5. Step 5: Solve for x
    x = 15,749,711.78/4,698.68
  6. Step 6: Final answer
    x = 3,351.94

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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.