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Finding the Fourth Proportional to 12,795.04, 19,183.60 and 8,907.04

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Solution

The fourth proportional to 12,795.04, 19,183.60 and 8,907.04 is: 13,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.04 : 19,183.60 = 8,907.04 : x
  2. Step 2: Convert to fraction form
    12,795.04/19,183.60 = 8,907.04/x
  3. Step 3: Cross multiply
    12,795.04x = 19,183.60 × 8,907.04
  4. Step 4: Simplify right side
    12,795.04x = 170,869,092.54
  5. Step 5: Solve for x
    x = 170,869,092.54/12,795.04
  6. Step 6: Final answer
    x = 13,354.32

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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.