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Finding the Fourth Proportional to 16,885.79, 25,329.03 and 5,199

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Solution

The fourth proportional to 16,885.79, 25,329.03 and 5,199 is: 7,798.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.79 : 25,329.03 = 5,199 : x
  2. Step 2: Convert to fraction form
    16,885.79/25,329.03 = 5,199/x
  3. Step 3: Cross multiply
    16,885.79x = 25,329.03 × 5,199
  4. Step 4: Simplify right side
    16,885.79x = 131,685,626.97
  5. Step 5: Solve for x
    x = 131,685,626.97/16,885.79
  6. Step 6: Final answer
    x = 7,798.61

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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.