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Finding the Fourth Proportional to 17,116.80, 25,701.60 and 9,340.80

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Solution

The fourth proportional to 17,116.80, 25,701.60 and 9,340.80 is: 14,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,116.80 : 25,701.60 = 9,340.80 : x
  2. Step 2: Convert to fraction form
    17,116.80/25,701.60 = 9,340.80/x
  3. Step 3: Cross multiply
    17,116.80x = 25,701.60 × 9,340.80
  4. Step 4: Simplify right side
    17,116.80x = 240,073,505.28
  5. Step 5: Solve for x
    x = 240,073,505.28/17,116.80
  6. Step 6: Final answer
    x = 14,025.61

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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.