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Finding the Fourth Proportional to 16,751.25, 25,126.88 and 4,439.25

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Solution

The fourth proportional to 16,751.25, 25,126.88 and 4,439.25 is: 6,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751.25 : 25,126.88 = 4,439.25 : x
  2. Step 2: Convert to fraction form
    16,751.25/25,126.88 = 4,439.25/x
  3. Step 3: Cross multiply
    16,751.25x = 25,126.88 × 4,439.25
  4. Step 4: Simplify right side
    16,751.25x = 111,544,479.84
  5. Step 5: Solve for x
    x = 111,544,479.84/16,751.25
  6. Step 6: Final answer
    x = 6,658.88

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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.