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Finding the Fourth Proportional to 57,898.94, 79,889.18 and 32,406.41

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Solution

The fourth proportional to 57,898.94, 79,889.18 and 32,406.41 is: 44,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,898.94 : 79,889.18 = 32,406.41 : x
  2. Step 2: Convert to fraction form
    57,898.94/79,889.18 = 32,406.41/x
  3. Step 3: Cross multiply
    57,898.94x = 79,889.18 × 32,406.41
  4. Step 4: Simplify right side
    57,898.94x = 2,588,921,559.33
  5. Step 5: Solve for x
    x = 2,588,921,559.33/57,898.94
  6. Step 6: Final answer
    x = 44,714.49

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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.