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Finding the Fourth Proportional to 11,834.99, 17,735.57 and 8,690.32

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Solution

The fourth proportional to 11,834.99, 17,735.57 and 8,690.32 is: 13,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,834.99 : 17,735.57 = 8,690.32 : x
  2. Step 2: Convert to fraction form
    11,834.99/17,735.57 = 8,690.32/x
  3. Step 3: Cross multiply
    11,834.99x = 17,735.57 × 8,690.32
  4. Step 4: Simplify right side
    11,834.99x = 154,127,756.96
  5. Step 5: Solve for x
    x = 154,127,756.96/11,834.99
  6. Step 6: Final answer
    x = 13,023.06

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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.