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Finding the Fourth Proportional to 17,695.40, 26,541.20 and 11,102.00

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Solution

The fourth proportional to 17,695.40, 26,541.20 and 11,102.00 is: 16,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,695.40 : 26,541.20 = 11,102.00 : x
  2. Step 2: Convert to fraction form
    17,695.40/26,541.20 = 11,102.00/x
  3. Step 3: Cross multiply
    17,695.40x = 26,541.20 × 11,102.00
  4. Step 4: Simplify right side
    17,695.40x = 294,660,297.45
  5. Step 5: Solve for x
    x = 294,660,297.45/17,695.40
  6. Step 6: Final answer
    x = 16,651.81

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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.