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Finding the Fourth Proportional to 64,669.14, 89,242.50 and 36,374.82

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Solution

The fourth proportional to 64,669.14, 89,242.50 and 36,374.82 is: 50,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,669.14 : 89,242.50 = 36,374.82 : x
  2. Step 2: Convert to fraction form
    64,669.14/89,242.50 = 36,374.82/x
  3. Step 3: Cross multiply
    64,669.14x = 89,242.50 × 36,374.82
  4. Step 4: Simplify right side
    64,669.14x = 3,246,179,873.85
  5. Step 5: Solve for x
    x = 3,246,179,873.85/64,669.14
  6. Step 6: Final answer
    x = 50,196.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.