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Finding the Fourth Proportional to 64,653.45, 89,263.44 and 41,693.54

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Solution

The fourth proportional to 64,653.45, 89,263.44 and 41,693.54 is: 57,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,653.45 : 89,263.44 = 41,693.54 : x
  2. Step 2: Convert to fraction form
    64,653.45/89,263.44 = 41,693.54/x
  3. Step 3: Cross multiply
    64,653.45x = 89,263.44 × 41,693.54
  4. Step 4: Simplify right side
    64,653.45x = 3,721,708,806.18
  5. Step 5: Solve for x
    x = 3,721,708,806.18/64,653.45
  6. Step 6: Final answer
    x = 57,563.96

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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.