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Finding the Fourth Proportional to 16,616.43, 24,924.80 and 4,929.65

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Solution

The fourth proportional to 16,616.43, 24,924.80 and 4,929.65 is: 7,394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,616.43 : 24,924.80 = 4,929.65 : x
  2. Step 2: Convert to fraction form
    16,616.43/24,924.80 = 4,929.65/x
  3. Step 3: Cross multiply
    16,616.43x = 24,924.80 × 4,929.65
  4. Step 4: Simplify right side
    16,616.43x = 122,870,540.32
  5. Step 5: Solve for x
    x = 122,870,540.32/16,616.43
  6. Step 6: Final answer
    x = 7,394.52

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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.