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Finding the Fourth Proportional to 65,571.60, 98,211.60 and 50,732.40

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Solution

The fourth proportional to 65,571.60, 98,211.60 and 50,732.40 is: 75,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,571.60 : 98,211.60 = 50,732.40 : x
  2. Step 2: Convert to fraction form
    65,571.60/98,211.60 = 50,732.40/x
  3. Step 3: Cross multiply
    65,571.60x = 98,211.60 × 50,732.40
  4. Step 4: Simplify right side
    65,571.60x = 4,982,510,175.84
  5. Step 5: Solve for x
    x = 4,982,510,175.84/65,571.60
  6. Step 6: Final answer
    x = 75,985.80

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1.5x scale

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.