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Finding the Fourth Proportional to 66,580.00, 91,876.66 and 37,906.63

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Solution

The fourth proportional to 66,580.00, 91,876.66 and 37,906.63 is: 52,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,580.00 : 91,876.66 = 37,906.63 : x
  2. Step 2: Convert to fraction form
    66,580.00/91,876.66 = 37,906.63/x
  3. Step 3: Cross multiply
    66,580.00x = 91,876.66 × 37,906.63
  4. Step 4: Simplify right side
    66,580.00x = 3,482,734,231.80
  5. Step 5: Solve for x
    x = 3,482,734,231.80/66,580.00
  6. Step 6: Final answer
    x = 52,309.02

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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.