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Finding the Fourth Proportional to 9,993.44, 14,990.22 and 4,070.44

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Solution

The fourth proportional to 9,993.44, 14,990.22 and 4,070.44 is: 6,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.44 : 14,990.22 = 4,070.44 : x
  2. Step 2: Convert to fraction form
    9,993.44/14,990.22 = 4,070.44/x
  3. Step 3: Cross multiply
    9,993.44x = 14,990.22 × 4,070.44
  4. Step 4: Simplify right side
    9,993.44x = 61,016,791.10
  5. Step 5: Solve for x
    x = 61,016,791.10/9,993.44
  6. Step 6: Final answer
    x = 6,105.68

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1.5x scale

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.