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Finding the Fourth Proportional to 16,612.49, 24,905.65 and 8,288.22

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Solution

The fourth proportional to 16,612.49, 24,905.65 and 8,288.22 is: 12,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.49 : 24,905.65 = 8,288.22 : x
  2. Step 2: Convert to fraction form
    16,612.49/24,905.65 = 8,288.22/x
  3. Step 3: Cross multiply
    16,612.49x = 24,905.65 × 8,288.22
  4. Step 4: Simplify right side
    16,612.49x = 206,423,485.72
  5. Step 5: Solve for x
    x = 206,423,485.72/16,612.49
  6. Step 6: Final answer
    x = 12,425.80

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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.