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Finding the Fourth Proportional to 16,636.19, 24,959.77 and 7,869.96

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Solution

The fourth proportional to 16,636.19, 24,959.77 and 7,869.96 is: 11,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.19 : 24,959.77 = 7,869.96 : x
  2. Step 2: Convert to fraction form
    16,636.19/24,959.77 = 7,869.96/x
  3. Step 3: Cross multiply
    16,636.19x = 24,959.77 × 7,869.96
  4. Step 4: Simplify right side
    16,636.19x = 196,432,371.83
  5. Step 5: Solve for x
    x = 196,432,371.83/16,636.19
  6. Step 6: Final answer
    x = 11,807.54

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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.