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Finding the Fourth Proportional to 12,804.80, 19,198.95 and 8,844.92

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Solution

The fourth proportional to 12,804.80, 19,198.95 and 8,844.92 is: 13,261.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.80 : 19,198.95 = 8,844.92 : x
  2. Step 2: Convert to fraction form
    12,804.80/19,198.95 = 8,844.92/x
  3. Step 3: Cross multiply
    12,804.80x = 19,198.95 × 8,844.92
  4. Step 4: Simplify right side
    12,804.80x = 169,813,176.83
  5. Step 5: Solve for x
    x = 169,813,176.83/12,804.80
  6. Step 6: Final answer
    x = 13,261.68

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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.