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Finding the Fourth Proportional to 8,525.82, 12,791.27 and 4,368.75

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Solution

The fourth proportional to 8,525.82, 12,791.27 and 4,368.75 is: 6,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.82 : 12,791.27 = 4,368.75 : x
  2. Step 2: Convert to fraction form
    8,525.82/12,791.27 = 4,368.75/x
  3. Step 3: Cross multiply
    8,525.82x = 12,791.27 × 4,368.75
  4. Step 4: Simplify right side
    8,525.82x = 55,881,871.14
  5. Step 5: Solve for x
    x = 55,881,871.14/8,525.82
  6. Step 6: Final answer
    x = 6,554.42

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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.