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Finding the Fourth Proportional to 65,166.80, 97,620.60 and 35,531.60

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Solution

The fourth proportional to 65,166.80, 97,620.60 and 35,531.60 is: 53,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,166.80 : 97,620.60 = 35,531.60 : x
  2. Step 2: Convert to fraction form
    65,166.80/97,620.60 = 35,531.60/x
  3. Step 3: Cross multiply
    65,166.80x = 97,620.60 × 35,531.60
  4. Step 4: Simplify right side
    65,166.80x = 3,468,616,110.96
  5. Step 5: Solve for x
    x = 3,468,616,110.96/65,166.80
  6. Step 6: Final answer
    x = 53,226.74

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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.