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Finding the Fourth Proportional to 16,654.58, 24,989.97 and 7,879.04

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Solution

The fourth proportional to 16,654.58, 24,989.97 and 7,879.04 is: 11,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,654.58 : 24,989.97 = 7,879.04 : x
  2. Step 2: Convert to fraction form
    16,654.58/24,989.97 = 7,879.04/x
  3. Step 3: Cross multiply
    16,654.58x = 24,989.97 × 7,879.04
  4. Step 4: Simplify right side
    16,654.58x = 196,896,973.23
  5. Step 5: Solve for x
    x = 196,896,973.23/16,654.58
  6. Step 6: Final answer
    x = 11,822.39

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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.