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Finding the Fourth Proportional to 59,378.08, 89,054.81 and 21,912.54

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Solution

The fourth proportional to 59,378.08, 89,054.81 and 21,912.54 is: 32,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,378.08 : 89,054.81 = 21,912.54 : x
  2. Step 2: Convert to fraction form
    59,378.08/89,054.81 = 21,912.54/x
  3. Step 3: Cross multiply
    59,378.08x = 89,054.81 × 21,912.54
  4. Step 4: Simplify right side
    59,378.08x = 1,951,417,459.98
  5. Step 5: Solve for x
    x = 1,951,417,459.98/59,378.08
  6. Step 6: Final answer
    x = 32,864.28

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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.