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Finding the Fourth Proportional to 43,882.80, 60,492.60 and 31,927.20

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Solution

The fourth proportional to 43,882.80, 60,492.60 and 31,927.20 is: 44,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,882.80 : 60,492.60 = 31,927.20 : x
  2. Step 2: Convert to fraction form
    43,882.80/60,492.60 = 31,927.20/x
  3. Step 3: Cross multiply
    43,882.80x = 60,492.60 × 31,927.20
  4. Step 4: Simplify right side
    43,882.80x = 1,931,359,338.72
  5. Step 5: Solve for x
    x = 1,931,359,338.72/43,882.80
  6. Step 6: Final answer
    x = 44,011.76

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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.