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Finding the Fourth Proportional to 61,797.04, 85,234.62 and 40,568.56

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Solution

The fourth proportional to 61,797.04, 85,234.62 and 40,568.56 is: 55,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,797.04 : 85,234.62 = 40,568.56 : x
  2. Step 2: Convert to fraction form
    61,797.04/85,234.62 = 40,568.56/x
  3. Step 3: Cross multiply
    61,797.04x = 85,234.62 × 40,568.56
  4. Step 4: Simplify right side
    61,797.04x = 3,457,845,795.55
  5. Step 5: Solve for x
    x = 3,457,845,795.55/61,797.04
  6. Step 6: Final answer
    x = 55,954.88

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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.