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Finding the Fourth Proportional to 4,821.98, 7,231.08 and 1,701.32

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Solution

The fourth proportional to 4,821.98, 7,231.08 and 1,701.32 is: 2,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.98 : 7,231.08 = 1,701.32 : x
  2. Step 2: Convert to fraction form
    4,821.98/7,231.08 = 1,701.32/x
  3. Step 3: Cross multiply
    4,821.98x = 7,231.08 × 1,701.32
  4. Step 4: Simplify right side
    4,821.98x = 12,302,381.03
  5. Step 5: Solve for x
    x = 12,302,381.03/4,821.98
  6. Step 6: Final answer
    x = 2,551.31

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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.