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Finding the Fourth Proportional to 51,606.70, 71,243.93 and 40,095.88

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Solution

The fourth proportional to 51,606.70, 71,243.93 and 40,095.88 is: 55,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,606.70 : 71,243.93 = 40,095.88 : x
  2. Step 2: Convert to fraction form
    51,606.70/71,243.93 = 40,095.88/x
  3. Step 3: Cross multiply
    51,606.70x = 71,243.93 × 40,095.88
  4. Step 4: Simplify right side
    51,606.70x = 2,856,587,990.14
  5. Step 5: Solve for x
    x = 2,856,587,990.14/51,606.70
  6. Step 6: Final answer
    x = 55,353.05

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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.