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Finding the Fourth Proportional to 64,639.34, 96,892.12 and 24,647.56

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Solution

The fourth proportional to 64,639.34, 96,892.12 and 24,647.56 is: 36,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,639.34 : 96,892.12 = 24,647.56 : x
  2. Step 2: Convert to fraction form
    64,639.34/96,892.12 = 24,647.56/x
  3. Step 3: Cross multiply
    64,639.34x = 96,892.12 × 24,647.56
  4. Step 4: Simplify right side
    64,639.34x = 2,388,154,129.81
  5. Step 5: Solve for x
    x = 2,388,154,129.81/64,639.34
  6. Step 6: Final answer
    x = 36,945.83

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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.