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Finding the Fourth Proportional to 71,015.46, 106,324.44 and 37,660.20

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Solution

The fourth proportional to 71,015.46, 106,324.44 and 37,660.20 is: 56,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,015.46 : 106,324.44 = 37,660.20 : x
  2. Step 2: Convert to fraction form
    71,015.46/106,324.44 = 37,660.20/x
  3. Step 3: Cross multiply
    71,015.46x = 106,324.44 × 37,660.20
  4. Step 4: Simplify right side
    71,015.46x = 4,004,199,675.29
  5. Step 5: Solve for x
    x = 4,004,199,675.29/71,015.46
  6. Step 6: Final answer
    x = 56,384.90

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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.