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Finding the Fourth Proportional to 59,376.82, 89,074.95 and 28,201.54

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Solution

The fourth proportional to 59,376.82, 89,074.95 and 28,201.54 is: 42,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,376.82 : 89,074.95 = 28,201.54 : x
  2. Step 2: Convert to fraction form
    59,376.82/89,074.95 = 28,201.54/x
  3. Step 3: Cross multiply
    59,376.82x = 89,074.95 × 28,201.54
  4. Step 4: Simplify right side
    59,376.82x = 2,512,050,765.42
  5. Step 5: Solve for x
    x = 2,512,050,765.42/59,376.82
  6. Step 6: Final answer
    x = 42,306.93

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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.