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Finding the Fourth Proportional to 57,808.59, 79,774.18 and 32,315

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Solution

The fourth proportional to 57,808.59, 79,774.18 and 32,315 is: 44,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,808.59 : 79,774.18 = 32,315 : x
  2. Step 2: Convert to fraction form
    57,808.59/79,774.18 = 32,315/x
  3. Step 3: Cross multiply
    57,808.59x = 79,774.18 × 32,315
  4. Step 4: Simplify right side
    57,808.59x = 2,577,902,626.70
  5. Step 5: Solve for x
    x = 2,577,902,626.70/57,808.59
  6. Step 6: Final answer
    x = 44,593.76

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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.