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Finding the Fourth Proportional to 23,900.54, 35,818 and 12,189.16

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Solution

The fourth proportional to 23,900.54, 35,818 and 12,189.16 is: 18,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,900.54 : 35,818 = 12,189.16 : x
  2. Step 2: Convert to fraction form
    23,900.54/35,818 = 12,189.16/x
  3. Step 3: Cross multiply
    23,900.54x = 35,818 × 12,189.16
  4. Step 4: Simplify right side
    23,900.54x = 436,591,332.88
  5. Step 5: Solve for x
    x = 436,591,332.88/23,900.54
  6. Step 6: Final answer
    x = 18,267.01

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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.