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Finding the Fourth Proportional to 16,385.60, 24,561.60 and 8,052.80

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Solution

The fourth proportional to 16,385.60, 24,561.60 and 8,052.80 is: 12,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.60 : 24,561.60 = 8,052.80 : x
  2. Step 2: Convert to fraction form
    16,385.60/24,561.60 = 8,052.80/x
  3. Step 3: Cross multiply
    16,385.60x = 24,561.60 × 8,052.80
  4. Step 4: Simplify right side
    16,385.60x = 197,789,652.48
  5. Step 5: Solve for x
    x = 197,789,652.48/16,385.60
  6. Step 6: Final answer
    x = 12,070.94

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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.