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Finding the Fourth Proportional to 12,252.98, 18,346.83 and 8,364.98

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Solution

The fourth proportional to 12,252.98, 18,346.83 and 8,364.98 is: 12,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.98 : 18,346.83 = 8,364.98 : x
  2. Step 2: Convert to fraction form
    12,252.98/18,346.83 = 8,364.98/x
  3. Step 3: Cross multiply
    12,252.98x = 18,346.83 × 8,364.98
  4. Step 4: Simplify right side
    12,252.98x = 153,470,866.01
  5. Step 5: Solve for x
    x = 153,470,866.01/12,252.98
  6. Step 6: Final answer
    x = 12,525.19

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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.