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Finding the Fourth Proportional to 64,964.92, 97,380.18 and 35,374.68

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Solution

The fourth proportional to 64,964.92, 97,380.18 and 35,374.68 is: 53,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,964.92 : 97,380.18 = 35,374.68 : x
  2. Step 2: Convert to fraction form
    64,964.92/97,380.18 = 35,374.68/x
  3. Step 3: Cross multiply
    64,964.92x = 97,380.18 × 35,374.68
  4. Step 4: Simplify right side
    64,964.92x = 3,444,792,705.84
  5. Step 5: Solve for x
    x = 3,444,792,705.84/64,964.92
  6. Step 6: Final answer
    x = 53,025.43

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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.