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Finding the Fourth Proportional to 65,918.62, 98,880.36 and 33,889.12

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Solution

The fourth proportional to 65,918.62, 98,880.36 and 33,889.12 is: 50,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.62 : 98,880.36 = 33,889.12 : x
  2. Step 2: Convert to fraction form
    65,918.62/98,880.36 = 33,889.12/x
  3. Step 3: Cross multiply
    65,918.62x = 98,880.36 × 33,889.12
  4. Step 4: Simplify right side
    65,918.62x = 3,350,968,385.68
  5. Step 5: Solve for x
    x = 3,350,968,385.68/65,918.62
  6. Step 6: Final answer
    x = 50,834.93

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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.