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Finding the Fourth Proportional to 16,841.81, 25,255.40 and 8,942.60

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Solution

The fourth proportional to 16,841.81, 25,255.40 and 8,942.60 is: 13,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,841.81 : 25,255.40 = 8,942.60 : x
  2. Step 2: Convert to fraction form
    16,841.81/25,255.40 = 8,942.60/x
  3. Step 3: Cross multiply
    16,841.81x = 25,255.40 × 8,942.60
  4. Step 4: Simplify right side
    16,841.81x = 225,849,033.92
  5. Step 5: Solve for x
    x = 225,849,033.92/16,841.81
  6. Step 6: Final answer
    x = 13,410.02

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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.