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Finding the Fourth Proportional to 66,334.92, 91,537.56 and 37,655.16

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Solution

The fourth proportional to 66,334.92, 91,537.56 and 37,655.16 is: 51,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,334.92 : 91,537.56 = 37,655.16 : x
  2. Step 2: Convert to fraction form
    66,334.92/91,537.56 = 37,655.16/x
  3. Step 3: Cross multiply
    66,334.92x = 91,537.56 × 37,655.16
  4. Step 4: Simplify right side
    66,334.92x = 3,446,861,467.81
  5. Step 5: Solve for x
    x = 3,446,861,467.81/66,334.92
  6. Step 6: Final answer
    x = 51,961.49

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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.