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Finding the Fourth Proportional to 4,821.96, 7,234.32 and 1,702.74

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Solution

The fourth proportional to 4,821.96, 7,234.32 and 1,702.74 is: 2,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.96 : 7,234.32 = 1,702.74 : x
  2. Step 2: Convert to fraction form
    4,821.96/7,234.32 = 1,702.74/x
  3. Step 3: Cross multiply
    4,821.96x = 7,234.32 × 1,702.74
  4. Step 4: Simplify right side
    4,821.96x = 12,318,166.04
  5. Step 5: Solve for x
    x = 12,318,166.04/4,821.96
  6. Step 6: Final answer
    x = 2,554.60

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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.