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Finding the Fourth Proportional to 18,449.94, 25,461.18 and 10,066.44

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Solution

The fourth proportional to 18,449.94, 25,461.18 and 10,066.44 is: 13,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.94 : 25,461.18 = 10,066.44 : x
  2. Step 2: Convert to fraction form
    18,449.94/25,461.18 = 10,066.44/x
  3. Step 3: Cross multiply
    18,449.94x = 25,461.18 × 10,066.44
  4. Step 4: Simplify right side
    18,449.94x = 256,303,440.80
  5. Step 5: Solve for x
    x = 256,303,440.80/18,449.94
  6. Step 6: Final answer
    x = 13,891.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.