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Finding the Fourth Proportional to 16,741.50, 25,112.25 and 4,429.50

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Solution

The fourth proportional to 16,741.50, 25,112.25 and 4,429.50 is: 6,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,741.50 : 25,112.25 = 4,429.50 : x
  2. Step 2: Convert to fraction form
    16,741.50/25,112.25 = 4,429.50/x
  3. Step 3: Cross multiply
    16,741.50x = 25,112.25 × 4,429.50
  4. Step 4: Simplify right side
    16,741.50x = 111,234,711.38
  5. Step 5: Solve for x
    x = 111,234,711.38/16,741.50
  6. Step 6: Final answer
    x = 6,644.25

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Double scale
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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.