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Finding the Fourth Proportional to 8,745.84, 12,069.26 and 4,766.95

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Solution

The fourth proportional to 8,745.84, 12,069.26 and 4,766.95 is: 6,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.84 : 12,069.26 = 4,766.95 : x
  2. Step 2: Convert to fraction form
    8,745.84/12,069.26 = 4,766.95/x
  3. Step 3: Cross multiply
    8,745.84x = 12,069.26 × 4,766.95
  4. Step 4: Simplify right side
    8,745.84x = 57,533,558.96
  5. Step 5: Solve for x
    x = 57,533,558.96/8,745.84
  6. Step 6: Final answer
    x = 6,578.39

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1.5x scale

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.