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Finding the Fourth Proportional to 58,790.92, 81,100.37 and 37,242.65

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Solution

The fourth proportional to 58,790.92, 81,100.37 and 37,242.65 is: 51,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,790.92 : 81,100.37 = 37,242.65 : x
  2. Step 2: Convert to fraction form
    58,790.92/81,100.37 = 37,242.65/x
  3. Step 3: Cross multiply
    58,790.92x = 81,100.37 × 37,242.65
  4. Step 4: Simplify right side
    58,790.92x = 3,020,392,195.49
  5. Step 5: Solve for x
    x = 3,020,392,195.49/58,790.92
  6. Step 6: Final answer
    x = 51,375.15

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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.