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Finding the Fourth Proportional to 16,701.08, 25,063.86 and 8,378.78

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Solution

The fourth proportional to 16,701.08, 25,063.86 and 8,378.78 is: 12,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,701.08 : 25,063.86 = 8,378.78 : x
  2. Step 2: Convert to fraction form
    16,701.08/25,063.86 = 8,378.78/x
  3. Step 3: Cross multiply
    16,701.08x = 25,063.86 × 8,378.78
  4. Step 4: Simplify right side
    16,701.08x = 210,004,568.89
  5. Step 5: Solve for x
    x = 210,004,568.89/16,701.08
  6. Step 6: Final answer
    x = 12,574.31

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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.