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Finding the Fourth Proportional to 51,472.87, 71,030.72 and 29,960.08

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Solution

The fourth proportional to 51,472.87, 71,030.72 and 29,960.08 is: 41,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,472.87 : 71,030.72 = 29,960.08 : x
  2. Step 2: Convert to fraction form
    51,472.87/71,030.72 = 29,960.08/x
  3. Step 3: Cross multiply
    51,472.87x = 71,030.72 × 29,960.08
  4. Step 4: Simplify right side
    51,472.87x = 2,128,085,950.98
  5. Step 5: Solve for x
    x = 2,128,085,950.98/51,472.87
  6. Step 6: Final answer
    x = 41,343.84

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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.