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Finding the Fourth Proportional to 71,367.40, 98,485.50 and 41,152.60

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Solution

The fourth proportional to 71,367.40, 98,485.50 and 41,152.60 is: 56,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,367.40 : 98,485.50 = 41,152.60 : x
  2. Step 2: Convert to fraction form
    71,367.40/98,485.50 = 41,152.60/x
  3. Step 3: Cross multiply
    71,367.40x = 98,485.50 × 41,152.60
  4. Step 4: Simplify right side
    71,367.40x = 4,052,934,387.30
  5. Step 5: Solve for x
    x = 4,052,934,387.30/71,367.40
  6. Step 6: Final answer
    x = 56,789.72

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1.5x scale

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.