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Finding the Fourth Proportional to 51,969.44, 71,718.14 and 29,308.88

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Solution

The fourth proportional to 51,969.44, 71,718.14 and 29,308.88 is: 40,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,969.44 : 71,718.14 = 29,308.88 : x
  2. Step 2: Convert to fraction form
    51,969.44/71,718.14 = 29,308.88/x
  3. Step 3: Cross multiply
    51,969.44x = 71,718.14 × 29,308.88
  4. Step 4: Simplify right side
    51,969.44x = 2,101,978,359.08
  5. Step 5: Solve for x
    x = 2,101,978,359.08/51,969.44
  6. Step 6: Final answer
    x = 40,446.43

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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.