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Finding the Fourth Proportional to 23,900.51, 35,851.50 and 8,105.30

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Solution

The fourth proportional to 23,900.51, 35,851.50 and 8,105.30 is: 12,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,900.51 : 35,851.50 = 8,105.30 : x
  2. Step 2: Convert to fraction form
    23,900.51/35,851.50 = 8,105.30/x
  3. Step 3: Cross multiply
    23,900.51x = 35,851.50 × 8,105.30
  4. Step 4: Simplify right side
    23,900.51x = 290,587,162.95
  5. Step 5: Solve for x
    x = 290,587,162.95/23,900.51
  6. Step 6: Final answer
    x = 12,158.20

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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.