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Finding the Fourth Proportional to 36,242.01, 54,361.08 and 9,946.80

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Solution

The fourth proportional to 36,242.01, 54,361.08 and 9,946.80 is: 14,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,242.01 : 54,361.08 = 9,946.80 : x
  2. Step 2: Convert to fraction form
    36,242.01/54,361.08 = 9,946.80/x
  3. Step 3: Cross multiply
    36,242.01x = 54,361.08 × 9,946.80
  4. Step 4: Simplify right side
    36,242.01x = 540,718,790.54
  5. Step 5: Solve for x
    x = 540,718,790.54/36,242.01
  6. Step 6: Final answer
    x = 14,919.67

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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.