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Finding the Fourth Proportional to 16,808.10, 25,175.70 and 14,961.30

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Solution

The fourth proportional to 16,808.10, 25,175.70 and 14,961.30 is: 22,409.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.10 : 25,175.70 = 14,961.30 : x
  2. Step 2: Convert to fraction form
    16,808.10/25,175.70 = 14,961.30/x
  3. Step 3: Cross multiply
    16,808.10x = 25,175.70 × 14,961.30
  4. Step 4: Simplify right side
    16,808.10x = 376,661,200.41
  5. Step 5: Solve for x
    x = 376,661,200.41/16,808.10
  6. Step 6: Final answer
    x = 22,409.50

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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.