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Finding the Fourth Proportional to 57,066.68, 85,553.64 and 23,811.54

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Solution

The fourth proportional to 57,066.68, 85,553.64 and 23,811.54 is: 35,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,066.68 : 85,553.64 = 23,811.54 : x
  2. Step 2: Convert to fraction form
    57,066.68/85,553.64 = 23,811.54/x
  3. Step 3: Cross multiply
    57,066.68x = 85,553.64 × 23,811.54
  4. Step 4: Simplify right side
    57,066.68x = 2,037,163,921.01
  5. Step 5: Solve for x
    x = 2,037,163,921.01/57,066.68
  6. Step 6: Final answer
    x = 35,697.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.