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Finding the Fourth Proportional to 9,993.50, 14,990.25 and 2,697.50

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Solution

The fourth proportional to 9,993.50, 14,990.25 and 2,697.50 is: 4,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.50 : 14,990.25 = 2,697.50 : x
  2. Step 2: Convert to fraction form
    9,993.50/14,990.25 = 2,697.50/x
  3. Step 3: Cross multiply
    9,993.50x = 14,990.25 × 2,697.50
  4. Step 4: Simplify right side
    9,993.50x = 40,436,199.38
  5. Step 5: Solve for x
    x = 40,436,199.38/9,993.50
  6. Step 6: Final answer
    x = 4,046.25

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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.