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Finding the Fourth Proportional to 51,959, 71,710.44 and 29,302.64

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Solution

The fourth proportional to 51,959, 71,710.44 and 29,302.64 is: 40,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,959 : 71,710.44 = 29,302.64 : x
  2. Step 2: Convert to fraction form
    51,959/71,710.44 = 29,302.64/x
  3. Step 3: Cross multiply
    51,959x = 71,710.44 × 29,302.64
  4. Step 4: Simplify right side
    51,959x = 2,101,305,207.56
  5. Step 5: Solve for x
    x = 2,101,305,207.56/51,959
  6. Step 6: Final answer
    x = 40,441.60

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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.