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Finding the Fourth Proportional to 41,088, 56,818.08 and 39,231.48

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Solution

The fourth proportional to 41,088, 56,818.08 and 39,231.48 is: 54,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,088 : 56,818.08 = 39,231.48 : x
  2. Step 2: Convert to fraction form
    41,088/56,818.08 = 39,231.48/x
  3. Step 3: Cross multiply
    41,088x = 56,818.08 × 39,231.48
  4. Step 4: Simplify right side
    41,088x = 2,229,057,369.16
  5. Step 5: Solve for x
    x = 2,229,057,369.16/41,088
  6. Step 6: Final answer
    x = 54,250.81

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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.