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Finding the Fourth Proportional to 17,662.40, 26,493.58 and 11,093.20

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Solution

The fourth proportional to 17,662.40, 26,493.58 and 11,093.20 is: 16,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,662.40 : 26,493.58 = 11,093.20 : x
  2. Step 2: Convert to fraction form
    17,662.40/26,493.58 = 11,093.20/x
  3. Step 3: Cross multiply
    17,662.40x = 26,493.58 × 11,093.20
  4. Step 4: Simplify right side
    17,662.40x = 293,898,678.31
  5. Step 5: Solve for x
    x = 293,898,678.31/17,662.40
  6. Step 6: Final answer
    x = 16,639.79

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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.