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Finding the Fourth Proportional to 52,127.28, 71,945.28 and 29,771.28

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Solution

The fourth proportional to 52,127.28, 71,945.28 and 29,771.28 is: 41,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,127.28 : 71,945.28 = 29,771.28 : x
  2. Step 2: Convert to fraction form
    52,127.28/71,945.28 = 29,771.28/x
  3. Step 3: Cross multiply
    52,127.28x = 71,945.28 × 29,771.28
  4. Step 4: Simplify right side
    52,127.28x = 2,141,903,075.56
  5. Step 5: Solve for x
    x = 2,141,903,075.56/52,127.28
  6. Step 6: Final answer
    x = 41,089.87

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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.