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Finding the Fourth Proportional to 21,748.52, 32,627.64 and 6,958.32

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Solution

The fourth proportional to 21,748.52, 32,627.64 and 6,958.32 is: 10,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748.52 : 32,627.64 = 6,958.32 : x
  2. Step 2: Convert to fraction form
    21,748.52/32,627.64 = 6,958.32/x
  3. Step 3: Cross multiply
    21,748.52x = 32,627.64 × 6,958.32
  4. Step 4: Simplify right side
    21,748.52x = 227,033,559.96
  5. Step 5: Solve for x
    x = 227,033,559.96/21,748.52
  6. Step 6: Final answer
    x = 10,439.04

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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.