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Finding the Fourth Proportional to 12,260.94, 18,390.93 and 3,026.94

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Solution

The fourth proportional to 12,260.94, 18,390.93 and 3,026.94 is: 4,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.94 : 18,390.93 = 3,026.94 : x
  2. Step 2: Convert to fraction form
    12,260.94/18,390.93 = 3,026.94/x
  3. Step 3: Cross multiply
    12,260.94x = 18,390.93 × 3,026.94
  4. Step 4: Simplify right side
    12,260.94x = 55,668,241.65
  5. Step 5: Solve for x
    x = 55,668,241.65/12,260.94
  6. Step 6: Final answer
    x = 4,540.29

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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.