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Finding the Fourth Proportional to 57,798.24, 79,798.32 and 44,343.96

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Solution

The fourth proportional to 57,798.24, 79,798.32 and 44,343.96 is: 61,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798.24 : 79,798.32 = 44,343.96 : x
  2. Step 2: Convert to fraction form
    57,798.24/79,798.32 = 44,343.96/x
  3. Step 3: Cross multiply
    57,798.24x = 79,798.32 × 44,343.96
  4. Step 4: Simplify right side
    57,798.24x = 3,538,573,510.15
  5. Step 5: Solve for x
    x = 3,538,573,510.15/57,798.24
  6. Step 6: Final answer
    x = 61,222.86

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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.