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Finding the Fourth Proportional to 14,292.64, 21,438.97 and 5,968.12

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Solution

The fourth proportional to 14,292.64, 21,438.97 and 5,968.12 is: 8,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.64 : 21,438.97 = 5,968.12 : x
  2. Step 2: Convert to fraction form
    14,292.64/21,438.97 = 5,968.12/x
  3. Step 3: Cross multiply
    14,292.64x = 21,438.97 × 5,968.12
  4. Step 4: Simplify right side
    14,292.64x = 127,950,262.20
  5. Step 5: Solve for x
    x = 127,950,262.20/14,292.64
  6. Step 6: Final answer
    x = 8,952.18

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Similar ratio
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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.