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Finding the Fourth Proportional to 16,676.60, 25,015.98 and 5,582.84

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Solution

The fourth proportional to 16,676.60, 25,015.98 and 5,582.84 is: 8,374.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676.60 : 25,015.98 = 5,582.84 : x
  2. Step 2: Convert to fraction form
    16,676.60/25,015.98 = 5,582.84/x
  3. Step 3: Cross multiply
    16,676.60x = 25,015.98 × 5,582.84
  4. Step 4: Simplify right side
    16,676.60x = 139,660,213.78
  5. Step 5: Solve for x
    x = 139,660,213.78/16,676.60
  6. Step 6: Final answer
    x = 8,374.62

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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.