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Finding the Fourth Proportional to 66,635.89, 91,930.02 and 46,504.45

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Solution

The fourth proportional to 66,635.89, 91,930.02 and 46,504.45 is: 64,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,635.89 : 91,930.02 = 46,504.45 : x
  2. Step 2: Convert to fraction form
    66,635.89/91,930.02 = 46,504.45/x
  3. Step 3: Cross multiply
    66,635.89x = 91,930.02 × 46,504.45
  4. Step 4: Simplify right side
    66,635.89x = 4,275,155,018.59
  5. Step 5: Solve for x
    x = 4,275,155,018.59/66,635.89
  6. Step 6: Final answer
    x = 64,156.94

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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.