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Finding the Fourth Proportional to 17,235.16, 25,855.77 and 8,912.91

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Solution

The fourth proportional to 17,235.16, 25,855.77 and 8,912.91 is: 13,370.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,235.16 : 25,855.77 = 8,912.91 : x
  2. Step 2: Convert to fraction form
    17,235.16/25,855.77 = 8,912.91/x
  3. Step 3: Cross multiply
    17,235.16x = 25,855.77 × 8,912.91
  4. Step 4: Simplify right side
    17,235.16x = 230,450,150.99
  5. Step 5: Solve for x
    x = 230,450,150.99/17,235.16
  6. Step 6: Final answer
    x = 13,370.93

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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.