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Finding the Fourth Proportional to 16,788.80, 25,182.12 and 5,102.12

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Solution

The fourth proportional to 16,788.80, 25,182.12 and 5,102.12 is: 7,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.80 : 25,182.12 = 5,102.12 : x
  2. Step 2: Convert to fraction form
    16,788.80/25,182.12 = 5,102.12/x
  3. Step 3: Cross multiply
    16,788.80x = 25,182.12 × 5,102.12
  4. Step 4: Simplify right side
    16,788.80x = 128,482,198.09
  5. Step 5: Solve for x
    x = 128,482,198.09/16,788.80
  6. Step 6: Final answer
    x = 7,652.85

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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.