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Finding the Fourth Proportional to 36,322.02, 50,125.50 and 20,406.06

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Solution

The fourth proportional to 36,322.02, 50,125.50 and 20,406.06 is: 28,160.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,322.02 : 50,125.50 = 20,406.06 : x
  2. Step 2: Convert to fraction form
    36,322.02/50,125.50 = 20,406.06/x
  3. Step 3: Cross multiply
    36,322.02x = 50,125.50 × 20,406.06
  4. Step 4: Simplify right side
    36,322.02x = 1,022,863,960.53
  5. Step 5: Solve for x
    x = 1,022,863,960.53/36,322.02
  6. Step 6: Final answer
    x = 28,160.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.