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Finding the Fourth Proportional to 64,325.80, 88,736.95 and 43,892.54

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Solution

The fourth proportional to 64,325.80, 88,736.95 and 43,892.54 is: 60,549.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,325.80 : 88,736.95 = 43,892.54 : x
  2. Step 2: Convert to fraction form
    64,325.80/88,736.95 = 43,892.54/x
  3. Step 3: Cross multiply
    64,325.80x = 88,736.95 × 43,892.54
  4. Step 4: Simplify right side
    64,325.80x = 3,894,890,127.35
  5. Step 5: Solve for x
    x = 3,894,890,127.35/64,325.80
  6. Step 6: Final answer
    x = 60,549.42

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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.