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Finding the Fourth Proportional to 12,454.68, 18,682.02 and 3,094.68

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Solution

The fourth proportional to 12,454.68, 18,682.02 and 3,094.68 is: 4,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.68 : 18,682.02 = 3,094.68 : x
  2. Step 2: Convert to fraction form
    12,454.68/18,682.02 = 3,094.68/x
  3. Step 3: Cross multiply
    12,454.68x = 18,682.02 × 3,094.68
  4. Step 4: Simplify right side
    12,454.68x = 57,814,873.65
  5. Step 5: Solve for x
    x = 57,814,873.65/12,454.68
  6. Step 6: Final answer
    x = 4,642.02

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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.