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Finding the Fourth Proportional to 71,598.88, 98,794.92 and 41,379.40

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Solution

The fourth proportional to 71,598.88, 98,794.92 and 41,379.40 is: 57,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,598.88 : 98,794.92 = 41,379.40 : x
  2. Step 2: Convert to fraction form
    71,598.88/98,794.92 = 41,379.40/x
  3. Step 3: Cross multiply
    71,598.88x = 98,794.92 × 41,379.40
  4. Step 4: Simplify right side
    71,598.88x = 4,088,074,512.65
  5. Step 5: Solve for x
    x = 4,088,074,512.65/71,598.88
  6. Step 6: Final answer
    x = 57,096.91

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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.