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Finding the Fourth Proportional to 59,928, 89,896.64 and 34,970.56

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Solution

The fourth proportional to 59,928, 89,896.64 and 34,970.56 is: 52,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,928 : 89,896.64 = 34,970.56 : x
  2. Step 2: Convert to fraction form
    59,928/89,896.64 = 34,970.56/x
  3. Step 3: Cross multiply
    59,928x = 89,896.64 × 34,970.56
  4. Step 4: Simplify right side
    59,928x = 3,143,735,842.92
  5. Step 5: Solve for x
    x = 3,143,735,842.92/59,928
  6. Step 6: Final answer
    x = 52,458.55

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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.