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Finding the Fourth Proportional to 14,891.60, 22,311.80 and 9,694.80

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Solution

The fourth proportional to 14,891.60, 22,311.80 and 9,694.80 is: 14,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.60 : 22,311.80 = 9,694.80 : x
  2. Step 2: Convert to fraction form
    14,891.60/22,311.80 = 9,694.80/x
  3. Step 3: Cross multiply
    14,891.60x = 22,311.80 × 9,694.80
  4. Step 4: Simplify right side
    14,891.60x = 216,308,438.64
  5. Step 5: Solve for x
    x = 216,308,438.64/14,891.60
  6. Step 6: Final answer
    x = 14,525.53

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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.