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Finding the Fourth Proportional to 12,076.95, 18,095.99 and 7,450.23

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Solution

The fourth proportional to 12,076.95, 18,095.99 and 7,450.23 is: 11,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.95 : 18,095.99 = 7,450.23 : x
  2. Step 2: Convert to fraction form
    12,076.95/18,095.99 = 7,450.23/x
  3. Step 3: Cross multiply
    12,076.95x = 18,095.99 × 7,450.23
  4. Step 4: Simplify right side
    12,076.95x = 134,819,250.33
  5. Step 5: Solve for x
    x = 134,819,250.33/12,076.95
  6. Step 6: Final answer
    x = 11,163.35

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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.