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Finding the Fourth Proportional to 59,334.78, 89,037.18 and 21,921.33

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Solution

The fourth proportional to 59,334.78, 89,037.18 and 21,921.33 is: 32,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,334.78 : 89,037.18 = 21,921.33 : x
  2. Step 2: Convert to fraction form
    59,334.78/89,037.18 = 21,921.33/x
  3. Step 3: Cross multiply
    59,334.78x = 89,037.18 × 21,921.33
  4. Step 4: Simplify right side
    59,334.78x = 1,951,813,405.05
  5. Step 5: Solve for x
    x = 1,951,813,405.05/59,334.78
  6. Step 6: Final answer
    x = 32,894.93

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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.