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Finding the Fourth Proportional to 59,694.32, 89,560.96 and 28,532

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Solution

The fourth proportional to 59,694.32, 89,560.96 and 28,532 is: 42,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,694.32 : 89,560.96 = 28,532 : x
  2. Step 2: Convert to fraction form
    59,694.32/89,560.96 = 28,532/x
  3. Step 3: Cross multiply
    59,694.32x = 89,560.96 × 28,532
  4. Step 4: Simplify right side
    59,694.32x = 2,555,353,310.72
  5. Step 5: Solve for x
    x = 2,555,353,310.72/59,694.32
  6. Step 6: Final answer
    x = 42,807.31

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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.