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Finding the Fourth Proportional to 9,184.75, 12,675 and 4,993

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Solution

The fourth proportional to 9,184.75, 12,675 and 4,993 is: 6,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.75 : 12,675 = 4,993 : x
  2. Step 2: Convert to fraction form
    9,184.75/12,675 = 4,993/x
  3. Step 3: Cross multiply
    9,184.75x = 12,675 × 4,993
  4. Step 4: Simplify right side
    9,184.75x = 63,286,275
  5. Step 5: Solve for x
    x = 63,286,275/9,184.75
  6. Step 6: Final answer
    x = 6,890.36

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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.