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Finding the Fourth Proportional to 16,739.22, 25,119.77 and 8,953.50

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Solution

The fourth proportional to 16,739.22, 25,119.77 and 8,953.50 is: 13,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,739.22 : 25,119.77 = 8,953.50 : x
  2. Step 2: Convert to fraction form
    16,739.22/25,119.77 = 8,953.50/x
  3. Step 3: Cross multiply
    16,739.22x = 25,119.77 × 8,953.50
  4. Step 4: Simplify right side
    16,739.22x = 224,909,815.93
  5. Step 5: Solve for x
    x = 224,909,815.93/16,739.22
  6. Step 6: Final answer
    x = 13,436.10

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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.