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Finding the Fourth Proportional to 12,793.98, 19,194.80 and 7,733.81

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Solution

The fourth proportional to 12,793.98, 19,194.80 and 7,733.81 is: 11,603.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.98 : 19,194.80 = 7,733.81 : x
  2. Step 2: Convert to fraction form
    12,793.98/19,194.80 = 7,733.81/x
  3. Step 3: Cross multiply
    12,793.98x = 19,194.80 × 7,733.81
  4. Step 4: Simplify right side
    12,793.98x = 148,448,936.19
  5. Step 5: Solve for x
    x = 148,448,936.19/12,793.98
  6. Step 6: Final answer
    x = 11,603.03

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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.