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Finding the Fourth Proportional to 16,297.40, 24,426.90 and 8,502.20

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Solution

The fourth proportional to 16,297.40, 24,426.90 and 8,502.20 is: 12,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,297.40 : 24,426.90 = 8,502.20 : x
  2. Step 2: Convert to fraction form
    16,297.40/24,426.90 = 8,502.20/x
  3. Step 3: Cross multiply
    16,297.40x = 24,426.90 × 8,502.20
  4. Step 4: Simplify right side
    16,297.40x = 207,682,389.18
  5. Step 5: Solve for x
    x = 207,682,389.18/16,297.40
  6. Step 6: Final answer
    x = 12,743.28

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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.