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Finding the Fourth Proportional to 65,450.60, 98,175.90 and 34,281.80

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Solution

The fourth proportional to 65,450.60, 98,175.90 and 34,281.80 is: 51,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,450.60 : 98,175.90 = 34,281.80 : x
  2. Step 2: Convert to fraction form
    65,450.60/98,175.90 = 34,281.80/x
  3. Step 3: Cross multiply
    65,450.60x = 98,175.90 × 34,281.80
  4. Step 4: Simplify right side
    65,450.60x = 3,365,646,568.62
  5. Step 5: Solve for x
    x = 3,365,646,568.62/65,450.60
  6. Step 6: Final answer
    x = 51,422.70

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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.