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Finding the Fourth Proportional to 993.94, 1,484.36 and 799.23

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Solution

The fourth proportional to 993.94, 1,484.36 and 799.23 is: 1,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    993.94 : 1,484.36 = 799.23 : x
  2. Step 2: Convert to fraction form
    993.94/1,484.36 = 799.23/x
  3. Step 3: Cross multiply
    993.94x = 1,484.36 × 799.23
  4. Step 4: Simplify right side
    993.94x = 1,186,345.04
  5. Step 5: Solve for x
    x = 1,186,345.04/993.94
  6. Step 6: Final answer
    x = 1,193.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.