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Finding the Fourth Proportional to 16,266.60, 24,399.90 and 6,406.20

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Solution

The fourth proportional to 16,266.60, 24,399.90 and 6,406.20 is: 9,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,266.60 : 24,399.90 = 6,406.20 : x
  2. Step 2: Convert to fraction form
    16,266.60/24,399.90 = 6,406.20/x
  3. Step 3: Cross multiply
    16,266.60x = 24,399.90 × 6,406.20
  4. Step 4: Simplify right side
    16,266.60x = 156,310,639.38
  5. Step 5: Solve for x
    x = 156,310,639.38/16,266.60
  6. Step 6: Final answer
    x = 9,609.30

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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.