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Finding the Fourth Proportional to 16,628.23, 22,945.07 and 9,556.93

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Solution

The fourth proportional to 16,628.23, 22,945.07 and 9,556.93 is: 13,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.23 : 22,945.07 = 9,556.93 : x
  2. Step 2: Convert to fraction form
    16,628.23/22,945.07 = 9,556.93/x
  3. Step 3: Cross multiply
    16,628.23x = 22,945.07 × 9,556.93
  4. Step 4: Simplify right side
    16,628.23x = 219,284,297.59
  5. Step 5: Solve for x
    x = 219,284,297.59/16,628.23
  6. Step 6: Final answer
    x = 13,187.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.