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Finding the Fourth Proportional to 16,658.86, 24,988.26 and 4,346.86

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Solution

The fourth proportional to 16,658.86, 24,988.26 and 4,346.86 is: 6,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.86 : 24,988.26 = 4,346.86 : x
  2. Step 2: Convert to fraction form
    16,658.86/24,988.26 = 4,346.86/x
  3. Step 3: Cross multiply
    16,658.86x = 24,988.26 × 4,346.86
  4. Step 4: Simplify right side
    16,658.86x = 108,620,467.86
  5. Step 5: Solve for x
    x = 108,620,467.86/16,658.86
  6. Step 6: Final answer
    x = 6,520.28

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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.