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Finding the Fourth Proportional to 16,485.49, 24,729.24 and 5,393.35

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Solution

The fourth proportional to 16,485.49, 24,729.24 and 5,393.35 is: 8,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,485.49 : 24,729.24 = 5,393.35 : x
  2. Step 2: Convert to fraction form
    16,485.49/24,729.24 = 5,393.35/x
  3. Step 3: Cross multiply
    16,485.49x = 24,729.24 × 5,393.35
  4. Step 4: Simplify right side
    16,485.49x = 133,373,446.55
  5. Step 5: Solve for x
    x = 133,373,446.55/16,485.49
  6. Step 6: Final answer
    x = 8,090.35

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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.