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Finding the Fourth Proportional to 64,469.70, 96,704.55 and 63,485.55

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Solution

The fourth proportional to 64,469.70, 96,704.55 and 63,485.55 is: 95,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,469.70 : 96,704.55 = 63,485.55 : x
  2. Step 2: Convert to fraction form
    64,469.70/96,704.55 = 63,485.55/x
  3. Step 3: Cross multiply
    64,469.70x = 96,704.55 × 63,485.55
  4. Step 4: Simplify right side
    64,469.70x = 6,139,341,544.25
  5. Step 5: Solve for x
    x = 6,139,341,544.25/64,469.70
  6. Step 6: Final answer
    x = 95,228.33

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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.