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Finding the Fourth Proportional to 26,508.80, 39,758.40 and 16,630.40

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Solution

The fourth proportional to 26,508.80, 39,758.40 and 16,630.40 is: 24,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508.80 : 39,758.40 = 16,630.40 : x
  2. Step 2: Convert to fraction form
    26,508.80/39,758.40 = 16,630.40/x
  3. Step 3: Cross multiply
    26,508.80x = 39,758.40 × 16,630.40
  4. Step 4: Simplify right side
    26,508.80x = 661,198,095.36
  5. Step 5: Solve for x
    x = 661,198,095.36/26,508.80
  6. Step 6: Final answer
    x = 24,942.59

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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.