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Finding the Fourth Proportional to 16,548.80, 24,826.40 and 8,340.80

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Solution

The fourth proportional to 16,548.80, 24,826.40 and 8,340.80 is: 12,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,548.80 : 24,826.40 = 8,340.80 : x
  2. Step 2: Convert to fraction form
    16,548.80/24,826.40 = 8,340.80/x
  3. Step 3: Cross multiply
    16,548.80x = 24,826.40 × 8,340.80
  4. Step 4: Simplify right side
    16,548.80x = 207,072,037.12
  5. Step 5: Solve for x
    x = 207,072,037.12/16,548.80
  6. Step 6: Final answer
    x = 12,512.81

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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.