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Finding the Fourth Proportional to 79,642.63, 119,464.89 and 27,056.22

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Solution

The fourth proportional to 79,642.63, 119,464.89 and 27,056.22 is: 40,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,642.63 : 119,464.89 = 27,056.22 : x
  2. Step 2: Convert to fraction form
    79,642.63/119,464.89 = 27,056.22/x
  3. Step 3: Cross multiply
    79,642.63x = 119,464.89 × 27,056.22
  4. Step 4: Simplify right side
    79,642.63x = 3,232,268,346.12
  5. Step 5: Solve for x
    x = 3,232,268,346.12/79,642.63
  6. Step 6: Final answer
    x = 40,584.65

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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.