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Finding the Fourth Proportional to 57,885.68, 79,859.40 and 36,362.78

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Solution

The fourth proportional to 57,885.68, 79,859.40 and 36,362.78 is: 50,166.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,885.68 : 79,859.40 = 36,362.78 : x
  2. Step 2: Convert to fraction form
    57,885.68/79,859.40 = 36,362.78/x
  3. Step 3: Cross multiply
    57,885.68x = 79,859.40 × 36,362.78
  4. Step 4: Simplify right side
    57,885.68x = 2,903,909,793.13
  5. Step 5: Solve for x
    x = 2,903,909,793.13/57,885.68
  6. Step 6: Final answer
    x = 50,166.29

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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.