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Finding the Fourth Proportional to 65,059.20, 97,297.20 and 54,561.60

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Solution

The fourth proportional to 65,059.20, 97,297.20 and 54,561.60 is: 81,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,059.20 : 97,297.20 = 54,561.60 : x
  2. Step 2: Convert to fraction form
    65,059.20/97,297.20 = 54,561.60/x
  3. Step 3: Cross multiply
    65,059.20x = 97,297.20 × 54,561.60
  4. Step 4: Simplify right side
    65,059.20x = 5,308,690,907.52
  5. Step 5: Solve for x
    x = 5,308,690,907.52/65,059.20
  6. Step 6: Final answer
    x = 81,597.85

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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.