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Finding the Fourth Proportional to 64,735.94, 89,337.25 and 36,442.62

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Solution

The fourth proportional to 64,735.94, 89,337.25 and 36,442.62 is: 50,291.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,735.94 : 89,337.25 = 36,442.62 : x
  2. Step 2: Convert to fraction form
    64,735.94/89,337.25 = 36,442.62/x
  3. Step 3: Cross multiply
    64,735.94x = 89,337.25 × 36,442.62
  4. Step 4: Simplify right side
    64,735.94x = 3,255,683,453.60
  5. Step 5: Solve for x
    x = 3,255,683,453.60/64,735.94
  6. Step 6: Final answer
    x = 50,291.75

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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.