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Finding the Fourth Proportional to 17,760.99, 26,633.74 and 9,439.01

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Solution

The fourth proportional to 17,760.99, 26,633.74 and 9,439.01 is: 14,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.99 : 26,633.74 = 9,439.01 : x
  2. Step 2: Convert to fraction form
    17,760.99/26,633.74 = 9,439.01/x
  3. Step 3: Cross multiply
    17,760.99x = 26,633.74 × 9,439.01
  4. Step 4: Simplify right side
    17,760.99x = 251,396,138.20
  5. Step 5: Solve for x
    x = 251,396,138.20/17,760.99
  6. Step 6: Final answer
    x = 14,154.40

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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.