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Finding the Fourth Proportional to 16,617.53, 24,918.20 and 5,520.40

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Solution

The fourth proportional to 16,617.53, 24,918.20 and 5,520.40 is: 8,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,617.53 : 24,918.20 = 5,520.40 : x
  2. Step 2: Convert to fraction form
    16,617.53/24,918.20 = 5,520.40/x
  3. Step 3: Cross multiply
    16,617.53x = 24,918.20 × 5,520.40
  4. Step 4: Simplify right side
    16,617.53x = 137,558,362.08
  5. Step 5: Solve for x
    x = 137,558,362.08/16,617.53
  6. Step 6: Final answer
    x = 8,277.91

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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.