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Finding the Fourth Proportional to 11,751.66, 17,627.12 and 4,355.96

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Solution

The fourth proportional to 11,751.66, 17,627.12 and 4,355.96 is: 6,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.66 : 17,627.12 = 4,355.96 : x
  2. Step 2: Convert to fraction form
    11,751.66/17,627.12 = 4,355.96/x
  3. Step 3: Cross multiply
    11,751.66x = 17,627.12 × 4,355.96
  4. Step 4: Simplify right side
    11,751.66x = 76,783,029.64
  5. Step 5: Solve for x
    x = 76,783,029.64/11,751.66
  6. Step 6: Final answer
    x = 6,533.80

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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.