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Finding the Fourth Proportional to 16,658.63, 24,975.64 and 7,883.27

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Solution

The fourth proportional to 16,658.63, 24,975.64 and 7,883.27 is: 11,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.63 : 24,975.64 = 7,883.27 : x
  2. Step 2: Convert to fraction form
    16,658.63/24,975.64 = 7,883.27/x
  3. Step 3: Cross multiply
    16,658.63x = 24,975.64 × 7,883.27
  4. Step 4: Simplify right side
    16,658.63x = 196,889,693.83
  5. Step 5: Solve for x
    x = 196,889,693.83/16,658.63
  6. Step 6: Final answer
    x = 11,819.08

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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.