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Finding the Fourth Proportional to 16,301.28, 22,495.68 and 8,849.28

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Solution

The fourth proportional to 16,301.28, 22,495.68 and 8,849.28 is: 12,211.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,301.28 : 22,495.68 = 8,849.28 : x
  2. Step 2: Convert to fraction form
    16,301.28/22,495.68 = 8,849.28/x
  3. Step 3: Cross multiply
    16,301.28x = 22,495.68 × 8,849.28
  4. Step 4: Simplify right side
    16,301.28x = 199,070,571.11
  5. Step 5: Solve for x
    x = 199,070,571.11/16,301.28
  6. Step 6: Final answer
    x = 12,211.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.