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Finding the Fourth Proportional to 7,893.46, 11,844.33 and 3,216.93

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Solution

The fourth proportional to 7,893.46, 11,844.33 and 3,216.93 is: 4,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.46 : 11,844.33 = 3,216.93 : x
  2. Step 2: Convert to fraction form
    7,893.46/11,844.33 = 3,216.93/x
  3. Step 3: Cross multiply
    7,893.46x = 11,844.33 × 3,216.93
  4. Step 4: Simplify right side
    7,893.46x = 38,102,380.51
  5. Step 5: Solve for x
    x = 38,102,380.51/7,893.46
  6. Step 6: Final answer
    x = 4,827.08

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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.