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Finding the Fourth Proportional to 57,891.66, 79,893.86 and 32,397.81

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Solution

The fourth proportional to 57,891.66, 79,893.86 and 32,397.81 is: 44,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,891.66 : 79,893.86 = 32,397.81 : x
  2. Step 2: Convert to fraction form
    57,891.66/79,893.86 = 32,397.81/x
  3. Step 3: Cross multiply
    57,891.66x = 79,893.86 × 32,397.81
  4. Step 4: Simplify right side
    57,891.66x = 2,588,386,096.45
  5. Step 5: Solve for x
    x = 2,588,386,096.45/57,891.66
  6. Step 6: Final answer
    x = 44,710.86

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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.