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Finding the Fourth Proportional to 14,757.66, 20,363.23 and 8,296.02

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Solution

The fourth proportional to 14,757.66, 20,363.23 and 8,296.02 is: 11,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.66 : 20,363.23 = 8,296.02 : x
  2. Step 2: Convert to fraction form
    14,757.66/20,363.23 = 8,296.02/x
  3. Step 3: Cross multiply
    14,757.66x = 20,363.23 × 8,296.02
  4. Step 4: Simplify right side
    14,757.66x = 168,933,773.71
  5. Step 5: Solve for x
    x = 168,933,773.71/14,757.66
  6. Step 6: Final answer
    x = 11,447.19

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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.