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Finding the Fourth Proportional to 12,296.98, 18,450.12 and 7,370.15

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Solution

The fourth proportional to 12,296.98, 18,450.12 and 7,370.15 is: 11,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.98 : 18,450.12 = 7,370.15 : x
  2. Step 2: Convert to fraction form
    12,296.98/18,450.12 = 7,370.15/x
  3. Step 3: Cross multiply
    12,296.98x = 18,450.12 × 7,370.15
  4. Step 4: Simplify right side
    12,296.98x = 135,980,151.92
  5. Step 5: Solve for x
    x = 135,980,151.92/12,296.98
  6. Step 6: Final answer
    x = 11,058.02

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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.