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Finding the Fourth Proportional to 21,889.44, 32,833.44 and 6,308.64

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Solution

The fourth proportional to 21,889.44, 32,833.44 and 6,308.64 is: 9,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889.44 : 32,833.44 = 6,308.64 : x
  2. Step 2: Convert to fraction form
    21,889.44/32,833.44 = 6,308.64/x
  3. Step 3: Cross multiply
    21,889.44x = 32,833.44 × 6,308.64
  4. Step 4: Simplify right side
    21,889.44x = 207,134,352.92
  5. Step 5: Solve for x
    x = 207,134,352.92/21,889.44
  6. Step 6: Final answer
    x = 9,462.75

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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.