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Finding the Fourth Proportional to 16,658.52, 24,980.46 and 8,865.48

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Solution

The fourth proportional to 16,658.52, 24,980.46 and 8,865.48 is: 13,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.52 : 24,980.46 = 8,865.48 : x
  2. Step 2: Convert to fraction form
    16,658.52/24,980.46 = 8,865.48/x
  3. Step 3: Cross multiply
    16,658.52x = 24,980.46 × 8,865.48
  4. Step 4: Simplify right side
    16,658.52x = 221,463,768.52
  5. Step 5: Solve for x
    x = 221,463,768.52/16,658.52
  6. Step 6: Final answer
    x = 13,294.32

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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.