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Finding the Fourth Proportional to 18,449.48, 25,460.25 and 10,065.98

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Solution

The fourth proportional to 18,449.48, 25,460.25 and 10,065.98 is: 13,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.48 : 25,460.25 = 10,065.98 : x
  2. Step 2: Convert to fraction form
    18,449.48/25,460.25 = 10,065.98/x
  3. Step 3: Cross multiply
    18,449.48x = 25,460.25 × 10,065.98
  4. Step 4: Simplify right side
    18,449.48x = 256,282,367.30
  5. Step 5: Solve for x
    x = 256,282,367.30/18,449.48
  6. Step 6: Final answer
    x = 13,891.03

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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.