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Finding the Fourth Proportional to 59,314.52, 89,007.16 and 21,900.90

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Solution

The fourth proportional to 59,314.52, 89,007.16 and 21,900.90 is: 32,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,314.52 : 89,007.16 = 21,900.90 : x
  2. Step 2: Convert to fraction form
    59,314.52/89,007.16 = 21,900.90/x
  3. Step 3: Cross multiply
    59,314.52x = 89,007.16 × 21,900.90
  4. Step 4: Simplify right side
    59,314.52x = 1,949,336,910.44
  5. Step 5: Solve for x
    x = 1,949,336,910.44/59,314.52
  6. Step 6: Final answer
    x = 32,864.41

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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.