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Finding the Fourth Proportional to 61,352.10, 91,934.21 and 41,287.21

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Solution

The fourth proportional to 61,352.10, 91,934.21 and 41,287.21 is: 61,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,352.10 : 91,934.21 = 41,287.21 : x
  2. Step 2: Convert to fraction form
    61,352.10/91,934.21 = 41,287.21/x
  3. Step 3: Cross multiply
    61,352.10x = 91,934.21 × 41,287.21
  4. Step 4: Simplify right side
    61,352.10x = 3,795,706,907.84
  5. Step 5: Solve for x
    x = 3,795,706,907.84/61,352.10
  6. Step 6: Final answer
    x = 61,867.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.