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Finding the Fourth Proportional to 16,958.84, 25,440.98 and 5,269.64

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Solution

The fourth proportional to 16,958.84, 25,440.98 and 5,269.64 is: 7,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.84 : 25,440.98 = 5,269.64 : x
  2. Step 2: Convert to fraction form
    16,958.84/25,440.98 = 5,269.64/x
  3. Step 3: Cross multiply
    16,958.84x = 25,440.98 × 5,269.64
  4. Step 4: Simplify right side
    16,958.84x = 134,064,805.85
  5. Step 5: Solve for x
    x = 134,064,805.85/16,958.84
  6. Step 6: Final answer
    x = 7,905.31

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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.