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Finding the Fourth Proportional to 28,997.99, 40,048.79 and 23,351.48

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Solution

The fourth proportional to 28,997.99, 40,048.79 and 23,351.48 is: 32,250.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997.99 : 40,048.79 = 23,351.48 : x
  2. Step 2: Convert to fraction form
    28,997.99/40,048.79 = 23,351.48/x
  3. Step 3: Cross multiply
    28,997.99x = 40,048.79 × 23,351.48
  4. Step 4: Simplify right side
    28,997.99x = 935,198,518.71
  5. Step 5: Solve for x
    x = 935,198,518.71/28,997.99
  6. Step 6: Final answer
    x = 32,250.46

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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.