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Finding the Fourth Proportional to 57,903.64, 79,910.76 and 32,412.94

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Solution

The fourth proportional to 57,903.64, 79,910.76 and 32,412.94 is: 44,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,903.64 : 79,910.76 = 32,412.94 : x
  2. Step 2: Convert to fraction form
    57,903.64/79,910.76 = 32,412.94/x
  3. Step 3: Cross multiply
    57,903.64x = 79,910.76 × 32,412.94
  4. Step 4: Simplify right side
    57,903.64x = 2,590,142,669.23
  5. Step 5: Solve for x
    x = 2,590,142,669.23/57,903.64
  6. Step 6: Final answer
    x = 44,731.95

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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.