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Finding the Fourth Proportional to 65,458.80, 98,195.40 and 23,914.80

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Solution

The fourth proportional to 65,458.80, 98,195.40 and 23,914.80 is: 35,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,458.80 : 98,195.40 = 23,914.80 : x
  2. Step 2: Convert to fraction form
    65,458.80/98,195.40 = 23,914.80/x
  3. Step 3: Cross multiply
    65,458.80x = 98,195.40 × 23,914.80
  4. Step 4: Simplify right side
    65,458.80x = 2,348,323,351.92
  5. Step 5: Solve for x
    x = 2,348,323,351.92/65,458.80
  6. Step 6: Final answer
    x = 35,874.83

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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.