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Finding the Fourth Proportional to 51,250.99, 76,910.69 and 17,971.03

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Solution

The fourth proportional to 51,250.99, 76,910.69 and 17,971.03 is: 26,968.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,250.99 : 76,910.69 = 17,971.03 : x
  2. Step 2: Convert to fraction form
    51,250.99/76,910.69 = 17,971.03/x
  3. Step 3: Cross multiply
    51,250.99x = 76,910.69 × 17,971.03
  4. Step 4: Simplify right side
    51,250.99x = 1,382,164,227.46
  5. Step 5: Solve for x
    x = 1,382,164,227.46/51,250.99
  6. Step 6: Final answer
    x = 26,968.54

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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.