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Finding the Fourth Proportional to 16,739.62, 25,113.62 and 11,818.87

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Solution

The fourth proportional to 16,739.62, 25,113.62 and 11,818.87 is: 17,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,739.62 : 25,113.62 = 11,818.87 : x
  2. Step 2: Convert to fraction form
    16,739.62/25,113.62 = 11,818.87/x
  3. Step 3: Cross multiply
    16,739.62x = 25,113.62 × 11,818.87
  4. Step 4: Simplify right side
    16,739.62x = 296,814,610.01
  5. Step 5: Solve for x
    x = 296,814,610.01/16,739.62
  6. Step 6: Final answer
    x = 17,731.26

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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.