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Finding the Fourth Proportional to 64,004.40, 95,812.20 and 37,630.80

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Solution

The fourth proportional to 64,004.40, 95,812.20 and 37,630.80 is: 56,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,004.40 : 95,812.20 = 37,630.80 : x
  2. Step 2: Convert to fraction form
    64,004.40/95,812.20 = 37,630.80/x
  3. Step 3: Cross multiply
    64,004.40x = 95,812.20 × 37,630.80
  4. Step 4: Simplify right side
    64,004.40x = 3,605,489,735.76
  5. Step 5: Solve for x
    x = 3,605,489,735.76/64,004.40
  6. Step 6: Final answer
    x = 56,331.90

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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.