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Finding the Fourth Proportional to 18,334.59, 27,497.48 and 8,464.39

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Solution

The fourth proportional to 18,334.59, 27,497.48 and 8,464.39 is: 12,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.59 : 27,497.48 = 8,464.39 : x
  2. Step 2: Convert to fraction form
    18,334.59/27,497.48 = 8,464.39/x
  3. Step 3: Cross multiply
    18,334.59x = 27,497.48 × 8,464.39
  4. Step 4: Simplify right side
    18,334.59x = 232,749,315.41
  5. Step 5: Solve for x
    x = 232,749,315.41/18,334.59
  6. Step 6: Final answer
    x = 12,694.55

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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.