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Finding the Fourth Proportional to 8,293.02, 12,436.95 and 2,745.12

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Solution

The fourth proportional to 8,293.02, 12,436.95 and 2,745.12 is: 4,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.02 : 12,436.95 = 2,745.12 : x
  2. Step 2: Convert to fraction form
    8,293.02/12,436.95 = 2,745.12/x
  3. Step 3: Cross multiply
    8,293.02x = 12,436.95 × 2,745.12
  4. Step 4: Simplify right side
    8,293.02x = 34,140,920.18
  5. Step 5: Solve for x
    x = 34,140,920.18/8,293.02
  6. Step 6: Final answer
    x = 4,116.83

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1.5x scale

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.