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Finding the Fourth Proportional to 12,260.84, 18,393.98 and 4,469.63

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Solution

The fourth proportional to 12,260.84, 18,393.98 and 4,469.63 is: 6,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.84 : 18,393.98 = 4,469.63 : x
  2. Step 2: Convert to fraction form
    12,260.84/18,393.98 = 4,469.63/x
  3. Step 3: Cross multiply
    12,260.84x = 18,393.98 × 4,469.63
  4. Step 4: Simplify right side
    12,260.84x = 82,214,170.51
  5. Step 5: Solve for x
    x = 82,214,170.51/12,260.84
  6. Step 6: Final answer
    x = 6,705.43

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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.