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Finding the Fourth Proportional to 36,492.18, 50,382.19 and 27,978.52

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Solution

The fourth proportional to 36,492.18, 50,382.19 and 27,978.52 is: 38,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,492.18 : 50,382.19 = 27,978.52 : x
  2. Step 2: Convert to fraction form
    36,492.18/50,382.19 = 27,978.52/x
  3. Step 3: Cross multiply
    36,492.18x = 50,382.19 × 27,978.52
  4. Step 4: Simplify right side
    36,492.18x = 1,409,618,858.65
  5. Step 5: Solve for x
    x = 1,409,618,858.65/36,492.18
  6. Step 6: Final answer
    x = 38,627.97

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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.