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Finding the Fourth Proportional to 16,804.20, 25,230.60 and 12,673.20

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Solution

The fourth proportional to 16,804.20, 25,230.60 and 12,673.20 is: 19,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804.20 : 25,230.60 = 12,673.20 : x
  2. Step 2: Convert to fraction form
    16,804.20/25,230.60 = 12,673.20/x
  3. Step 3: Cross multiply
    16,804.20x = 25,230.60 × 12,673.20
  4. Step 4: Simplify right side
    16,804.20x = 319,752,439.92
  5. Step 5: Solve for x
    x = 319,752,439.92/16,804.20
  6. Step 6: Final answer
    x = 19,028.13

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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.