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Finding the Fourth Proportional to 21,958.08, 32,942.37 and 7,167.03

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Solution

The fourth proportional to 21,958.08, 32,942.37 and 7,167.03 is: 10,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.08 : 32,942.37 = 7,167.03 : x
  2. Step 2: Convert to fraction form
    21,958.08/32,942.37 = 7,167.03/x
  3. Step 3: Cross multiply
    21,958.08x = 32,942.37 × 7,167.03
  4. Step 4: Simplify right side
    21,958.08x = 236,098,830.53
  5. Step 5: Solve for x
    x = 236,098,830.53/21,958.08
  6. Step 6: Final answer
    x = 10,752.25

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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.