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Finding the Fourth Proportional to 65,872.48, 90,895.48 and 37,576.48

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Solution

The fourth proportional to 65,872.48, 90,895.48 and 37,576.48 is: 51,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,872.48 : 90,895.48 = 37,576.48 : x
  2. Step 2: Convert to fraction form
    65,872.48/90,895.48 = 37,576.48/x
  3. Step 3: Cross multiply
    65,872.48x = 90,895.48 × 37,576.48
  4. Step 4: Simplify right side
    65,872.48x = 3,415,532,186.31
  5. Step 5: Solve for x
    x = 3,415,532,186.31/65,872.48
  6. Step 6: Final answer
    x = 51,850.67

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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.