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Finding the Fourth Proportional to 66,344.56, 91,554.59 and 37,663.98

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Solution

The fourth proportional to 66,344.56, 91,554.59 and 37,663.98 is: 51,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,344.56 : 91,554.59 = 37,663.98 : x
  2. Step 2: Convert to fraction form
    66,344.56/91,554.59 = 37,663.98/x
  3. Step 3: Cross multiply
    66,344.56x = 91,554.59 × 37,663.98
  4. Step 4: Simplify right side
    66,344.56x = 3,448,310,058.35
  5. Step 5: Solve for x
    x = 3,448,310,058.35/66,344.56
  6. Step 6: Final answer
    x = 51,975.78

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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.