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Finding the Fourth Proportional to 57,793.68, 79,751.25 and 32,638.32

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Solution

The fourth proportional to 57,793.68, 79,751.25 and 32,638.32 is: 45,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,793.68 : 79,751.25 = 32,638.32 : x
  2. Step 2: Convert to fraction form
    57,793.68/79,751.25 = 32,638.32/x
  3. Step 3: Cross multiply
    57,793.68x = 79,751.25 × 32,638.32
  4. Step 4: Simplify right side
    57,793.68x = 2,602,946,817.90
  5. Step 5: Solve for x
    x = 2,602,946,817.90/57,793.68
  6. Step 6: Final answer
    x = 45,038.61

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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.