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Finding the Fourth Proportional to 23,859.63, 35,791.47 and 7,219.80

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Solution

The fourth proportional to 23,859.63, 35,791.47 and 7,219.80 is: 10,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,859.63 : 35,791.47 = 7,219.80 : x
  2. Step 2: Convert to fraction form
    23,859.63/35,791.47 = 7,219.80/x
  3. Step 3: Cross multiply
    23,859.63x = 35,791.47 × 7,219.80
  4. Step 4: Simplify right side
    23,859.63x = 258,407,255.11
  5. Step 5: Solve for x
    x = 258,407,255.11/23,859.63
  6. Step 6: Final answer
    x = 10,830.31

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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.