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Finding the Fourth Proportional to 16,674.88, 25,014.48 and 5,581.12

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Solution

The fourth proportional to 16,674.88, 25,014.48 and 5,581.12 is: 8,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.88 : 25,014.48 = 5,581.12 : x
  2. Step 2: Convert to fraction form
    16,674.88/25,014.48 = 5,581.12/x
  3. Step 3: Cross multiply
    16,674.88x = 25,014.48 × 5,581.12
  4. Step 4: Simplify right side
    16,674.88x = 139,608,814.62
  5. Step 5: Solve for x
    x = 139,608,814.62/16,674.88
  6. Step 6: Final answer
    x = 8,372.40

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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.