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Finding the Fourth Proportional to 36,627.19, 54,940.78 and 8,925.19

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Solution

The fourth proportional to 36,627.19, 54,940.78 and 8,925.19 is: 13,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,627.19 : 54,940.78 = 8,925.19 : x
  2. Step 2: Convert to fraction form
    36,627.19/54,940.78 = 8,925.19/x
  3. Step 3: Cross multiply
    36,627.19x = 54,940.78 × 8,925.19
  4. Step 4: Simplify right side
    36,627.19x = 490,356,774.05
  5. Step 5: Solve for x
    x = 490,356,774.05/36,627.19
  6. Step 6: Final answer
    x = 13,387.78

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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.