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Finding the Fourth Proportional to 64,752.33, 89,359.97 and 36,459.03

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Solution

The fourth proportional to 64,752.33, 89,359.97 and 36,459.03 is: 50,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,752.33 : 89,359.97 = 36,459.03 : x
  2. Step 2: Convert to fraction form
    64,752.33/89,359.97 = 36,459.03/x
  3. Step 3: Cross multiply
    64,752.33x = 89,359.97 × 36,459.03
  4. Step 4: Simplify right side
    64,752.33x = 3,257,977,644.73
  5. Step 5: Solve for x
    x = 3,257,977,644.73/64,752.33
  6. Step 6: Final answer
    x = 50,314.45

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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.