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Finding the Fourth Proportional to 57,334.62, 79,119.11 and 31,842.62

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Solution

The fourth proportional to 57,334.62, 79,119.11 and 31,842.62 is: 43,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,334.62 : 79,119.11 = 31,842.62 : x
  2. Step 2: Convert to fraction form
    57,334.62/79,119.11 = 31,842.62/x
  3. Step 3: Cross multiply
    57,334.62x = 79,119.11 × 31,842.62
  4. Step 4: Simplify right side
    57,334.62x = 2,519,359,199.66
  5. Step 5: Solve for x
    x = 2,519,359,199.66/57,334.62
  6. Step 6: Final answer
    x = 43,941.33

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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.