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Finding the Fourth Proportional to 57,707.88, 79,638.30 and 32,559

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Solution

The fourth proportional to 57,707.88, 79,638.30 and 32,559 is: 44,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,707.88 : 79,638.30 = 32,559 : x
  2. Step 2: Convert to fraction form
    57,707.88/79,638.30 = 32,559/x
  3. Step 3: Cross multiply
    57,707.88x = 79,638.30 × 32,559
  4. Step 4: Simplify right side
    57,707.88x = 2,592,943,409.70
  5. Step 5: Solve for x
    x = 2,592,943,409.70/57,707.88
  6. Step 6: Final answer
    x = 44,932.22

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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.