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Finding the Fourth Proportional to 7,993.38, 11,030.38 and 4,636.04

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Solution

The fourth proportional to 7,993.38, 11,030.38 and 4,636.04 is: 6,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.38 : 11,030.38 = 4,636.04 : x
  2. Step 2: Convert to fraction form
    7,993.38/11,030.38 = 4,636.04/x
  3. Step 3: Cross multiply
    7,993.38x = 11,030.38 × 4,636.04
  4. Step 4: Simplify right side
    7,993.38x = 51,137,216.15
  5. Step 5: Solve for x
    x = 51,137,216.15/7,993.38
  6. Step 6: Final answer
    x = 6,397.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.