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Finding the Fourth Proportional to 14,344.12, 21,507.72 and 8,504.80

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Solution

The fourth proportional to 14,344.12, 21,507.72 and 8,504.80 is: 12,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.12 : 21,507.72 = 8,504.80 : x
  2. Step 2: Convert to fraction form
    14,344.12/21,507.72 = 8,504.80/x
  3. Step 3: Cross multiply
    14,344.12x = 21,507.72 × 8,504.80
  4. Step 4: Simplify right side
    14,344.12x = 182,918,857.06
  5. Step 5: Solve for x
    x = 182,918,857.06/14,344.12
  6. Step 6: Final answer
    x = 12,752.18

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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.