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Finding the Fourth Proportional to 57,865.44, 79,855.02 and 32,714.40

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Solution

The fourth proportional to 57,865.44, 79,855.02 and 32,714.40 is: 45,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,865.44 : 79,855.02 = 32,714.40 : x
  2. Step 2: Convert to fraction form
    57,865.44/79,855.02 = 32,714.40/x
  3. Step 3: Cross multiply
    57,865.44x = 79,855.02 × 32,714.40
  4. Step 4: Simplify right side
    57,865.44x = 2,612,409,066.29
  5. Step 5: Solve for x
    x = 2,612,409,066.29/57,865.44
  6. Step 6: Final answer
    x = 45,146.27

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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.