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Finding the Fourth Proportional to 12,263.25, 18,395.16 and 3,029.25

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Solution

The fourth proportional to 12,263.25, 18,395.16 and 3,029.25 is: 4,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.25 : 18,395.16 = 3,029.25 : x
  2. Step 2: Convert to fraction form
    12,263.25/18,395.16 = 3,029.25/x
  3. Step 3: Cross multiply
    12,263.25x = 18,395.16 × 3,029.25
  4. Step 4: Simplify right side
    12,263.25x = 55,723,538.43
  5. Step 5: Solve for x
    x = 55,723,538.43/12,263.25
  6. Step 6: Final answer
    x = 4,543.95

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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.