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Finding the Fourth Proportional to 17,808.99, 26,695.26 and 9,039.12

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Solution

The fourth proportional to 17,808.99, 26,695.26 and 9,039.12 is: 13,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.99 : 26,695.26 = 9,039.12 : x
  2. Step 2: Convert to fraction form
    17,808.99/26,695.26 = 9,039.12/x
  3. Step 3: Cross multiply
    17,808.99x = 26,695.26 × 9,039.12
  4. Step 4: Simplify right side
    17,808.99x = 241,301,658.57
  5. Step 5: Solve for x
    x = 241,301,658.57/17,808.99
  6. Step 6: Final answer
    x = 13,549.43

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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.