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Finding the Fourth Proportional to 18,392.63, 27,552.74 and 12,133.50

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Solution

The fourth proportional to 18,392.63, 27,552.74 and 12,133.50 is: 18,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.63 : 27,552.74 = 12,133.50 : x
  2. Step 2: Convert to fraction form
    18,392.63/27,552.74 = 12,133.50/x
  3. Step 3: Cross multiply
    18,392.63x = 27,552.74 × 12,133.50
  4. Step 4: Simplify right side
    18,392.63x = 334,311,110.12
  5. Step 5: Solve for x
    x = 334,311,110.12/18,392.63
  6. Step 6: Final answer
    x = 18,176.37

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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.