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Finding the Fourth Proportional to 59,157.74, 88,780.35 and 21,741

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Solution

The fourth proportional to 59,157.74, 88,780.35 and 21,741 is: 32,627.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,157.74 : 88,780.35 = 21,741 : x
  2. Step 2: Convert to fraction form
    59,157.74/88,780.35 = 21,741/x
  3. Step 3: Cross multiply
    59,157.74x = 88,780.35 × 21,741
  4. Step 4: Simplify right side
    59,157.74x = 1,930,173,589.35
  5. Step 5: Solve for x
    x = 1,930,173,589.35/59,157.74
  6. Step 6: Final answer
    x = 32,627.57

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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.