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Finding the Fourth Proportional to 16,808.60, 25,212.90 and 4,496.60

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Solution

The fourth proportional to 16,808.60, 25,212.90 and 4,496.60 is: 6,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.60 : 25,212.90 = 4,496.60 : x
  2. Step 2: Convert to fraction form
    16,808.60/25,212.90 = 4,496.60/x
  3. Step 3: Cross multiply
    16,808.60x = 25,212.90 × 4,496.60
  4. Step 4: Simplify right side
    16,808.60x = 113,372,326.14
  5. Step 5: Solve for x
    x = 113,372,326.14/16,808.60
  6. Step 6: Final answer
    x = 6,744.90

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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.