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Finding the Fourth Proportional to 19,201.83, 28,784.25 and 9,846.24

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Solution

The fourth proportional to 19,201.83, 28,784.25 and 9,846.24 is: 14,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.83 : 28,784.25 = 9,846.24 : x
  2. Step 2: Convert to fraction form
    19,201.83/28,784.25 = 9,846.24/x
  3. Step 3: Cross multiply
    19,201.83x = 28,784.25 × 9,846.24
  4. Step 4: Simplify right side
    19,201.83x = 283,416,633.72
  5. Step 5: Solve for x
    x = 283,416,633.72/19,201.83
  6. Step 6: Final answer
    x = 14,759.88

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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.