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Finding the Fourth Proportional to 19,551.82, 29,305.86 and 8,441.86

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Solution

The fourth proportional to 19,551.82, 29,305.86 and 8,441.86 is: 12,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.82 : 29,305.86 = 8,441.86 : x
  2. Step 2: Convert to fraction form
    19,551.82/29,305.86 = 8,441.86/x
  3. Step 3: Cross multiply
    19,551.82x = 29,305.86 × 8,441.86
  4. Step 4: Simplify right side
    19,551.82x = 247,395,967.30
  5. Step 5: Solve for x
    x = 247,395,967.30/19,551.82
  6. Step 6: Final answer
    x = 12,653.35

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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.