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Finding the Fourth Proportional to 17,974.51, 26,957.14 and 7,447.48

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Solution

The fourth proportional to 17,974.51, 26,957.14 and 7,447.48 is: 11,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,974.51 : 26,957.14 = 7,447.48 : x
  2. Step 2: Convert to fraction form
    17,974.51/26,957.14 = 7,447.48/x
  3. Step 3: Cross multiply
    17,974.51x = 26,957.14 × 7,447.48
  4. Step 4: Simplify right side
    17,974.51x = 200,762,675.00
  5. Step 5: Solve for x
    x = 200,762,675.00/17,974.51
  6. Step 6: Final answer
    x = 11,169.30

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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.