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Finding the Fourth Proportional to 16,952.80, 25,429.20 and 16,855.60

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Solution

The fourth proportional to 16,952.80, 25,429.20 and 16,855.60 is: 25,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,952.80 : 25,429.20 = 16,855.60 : x
  2. Step 2: Convert to fraction form
    16,952.80/25,429.20 = 16,855.60/x
  3. Step 3: Cross multiply
    16,952.80x = 25,429.20 × 16,855.60
  4. Step 4: Simplify right side
    16,952.80x = 428,624,423.52
  5. Step 5: Solve for x
    x = 428,624,423.52/16,952.80
  6. Step 6: Final answer
    x = 25,283.40

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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.