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Finding the Fourth Proportional to 61,045.75, 91,984.60 and 50,195.50

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Solution

The fourth proportional to 61,045.75, 91,984.60 and 50,195.50 is: 75,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,045.75 : 91,984.60 = 50,195.50 : x
  2. Step 2: Convert to fraction form
    61,045.75/91,984.60 = 50,195.50/x
  3. Step 3: Cross multiply
    61,045.75x = 91,984.60 × 50,195.50
  4. Step 4: Simplify right side
    61,045.75x = 4,617,212,989.30
  5. Step 5: Solve for x
    x = 4,617,212,989.30/61,045.75
  6. Step 6: Final answer
    x = 75,635.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.