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Finding the Fourth Proportional to 17,768.99, 26,653.35 and 7,236.54

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Solution

The fourth proportional to 17,768.99, 26,653.35 and 7,236.54 is: 10,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.99 : 26,653.35 = 7,236.54 : x
  2. Step 2: Convert to fraction form
    17,768.99/26,653.35 = 7,236.54/x
  3. Step 3: Cross multiply
    17,768.99x = 26,653.35 × 7,236.54
  4. Step 4: Simplify right side
    17,768.99x = 192,877,918.23
  5. Step 5: Solve for x
    x = 192,877,918.23/17,768.99
  6. Step 6: Final answer
    x = 10,854.75

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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.