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Finding the Fourth Proportional to 21,640.60, 32,462.10 and 6,059.44

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Solution

The fourth proportional to 21,640.60, 32,462.10 and 6,059.44 is: 9,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,640.60 : 32,462.10 = 6,059.44 : x
  2. Step 2: Convert to fraction form
    21,640.60/32,462.10 = 6,059.44/x
  3. Step 3: Cross multiply
    21,640.60x = 32,462.10 × 6,059.44
  4. Step 4: Simplify right side
    21,640.60x = 196,702,147.22
  5. Step 5: Solve for x
    x = 196,702,147.22/21,640.60
  6. Step 6: Final answer
    x = 9,089.50

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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.