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Finding the Fourth Proportional to 16,406.20, 24,612.90 and 8,090.20

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Solution

The fourth proportional to 16,406.20, 24,612.90 and 8,090.20 is: 12,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,406.20 : 24,612.90 = 8,090.20 : x
  2. Step 2: Convert to fraction form
    16,406.20/24,612.90 = 8,090.20/x
  3. Step 3: Cross multiply
    16,406.20x = 24,612.90 × 8,090.20
  4. Step 4: Simplify right side
    16,406.20x = 199,123,283.58
  5. Step 5: Solve for x
    x = 199,123,283.58/16,406.20
  6. Step 6: Final answer
    x = 12,137.08

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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.