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Finding the Fourth Proportional to 2,470.44, 3,705.30 and 738.84

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Solution

The fourth proportional to 2,470.44, 3,705.30 and 738.84 is: 1,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.44 : 3,705.30 = 738.84 : x
  2. Step 2: Convert to fraction form
    2,470.44/3,705.30 = 738.84/x
  3. Step 3: Cross multiply
    2,470.44x = 3,705.30 × 738.84
  4. Step 4: Simplify right side
    2,470.44x = 2,737,623.85
  5. Step 5: Solve for x
    x = 2,737,623.85/2,470.44
  6. Step 6: Final answer
    x = 1,108.15

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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.