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Finding the Fourth Proportional to 4,624.35, 6,939.35 and 2,775.93

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Solution

The fourth proportional to 4,624.35, 6,939.35 and 2,775.93 is: 4,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624.35 : 6,939.35 = 2,775.93 : x
  2. Step 2: Convert to fraction form
    4,624.35/6,939.35 = 2,775.93/x
  3. Step 3: Cross multiply
    4,624.35x = 6,939.35 × 2,775.93
  4. Step 4: Simplify right side
    4,624.35x = 19,263,149.85
  5. Step 5: Solve for x
    x = 19,263,149.85/4,624.35
  6. Step 6: Final answer
    x = 4,165.59

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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.