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Finding the Fourth Proportional to 14,568.87, 21,849.04 and 8,327.72

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Solution

The fourth proportional to 14,568.87, 21,849.04 and 8,327.72 is: 12,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.87 : 21,849.04 = 8,327.72 : x
  2. Step 2: Convert to fraction form
    14,568.87/21,849.04 = 8,327.72/x
  3. Step 3: Cross multiply
    14,568.87x = 21,849.04 × 8,327.72
  4. Step 4: Simplify right side
    14,568.87x = 181,952,687.39
  5. Step 5: Solve for x
    x = 181,952,687.39/14,568.87
  6. Step 6: Final answer
    x = 12,489.14

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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.