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Finding the Fourth Proportional to 17,187.24, 25,804.62 and 8,874.12

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Solution

The fourth proportional to 17,187.24, 25,804.62 and 8,874.12 is: 13,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.24 : 25,804.62 = 8,874.12 : x
  2. Step 2: Convert to fraction form
    17,187.24/25,804.62 = 8,874.12/x
  3. Step 3: Cross multiply
    17,187.24x = 25,804.62 × 8,874.12
  4. Step 4: Simplify right side
    17,187.24x = 228,993,294.43
  5. Step 5: Solve for x
    x = 228,993,294.43/17,187.24
  6. Step 6: Final answer
    x = 13,323.45

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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.