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Finding the Fourth Proportional to 57,686.88, 79,604.64 and 32,534.88

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Solution

The fourth proportional to 57,686.88, 79,604.64 and 32,534.88 is: 44,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,686.88 : 79,604.64 = 32,534.88 : x
  2. Step 2: Convert to fraction form
    57,686.88/79,604.64 = 32,534.88/x
  3. Step 3: Cross multiply
    57,686.88x = 79,604.64 × 32,534.88
  4. Step 4: Simplify right side
    57,686.88x = 2,589,927,409.84
  5. Step 5: Solve for x
    x = 2,589,927,409.84/57,686.88
  6. Step 6: Final answer
    x = 44,896.30

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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.