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Finding the Fourth Proportional to 64,006.40, 95,815.20 and 37,632.80

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Solution

The fourth proportional to 64,006.40, 95,815.20 and 37,632.80 is: 56,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,006.40 : 95,815.20 = 37,632.80 : x
  2. Step 2: Convert to fraction form
    64,006.40/95,815.20 = 37,632.80/x
  3. Step 3: Cross multiply
    64,006.40x = 95,815.20 × 37,632.80
  4. Step 4: Simplify right side
    64,006.40x = 3,605,794,258.56
  5. Step 5: Solve for x
    x = 3,605,794,258.56/64,006.40
  6. Step 6: Final answer
    x = 56,334.90

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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.