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Finding the Fourth Proportional to 14,560.56, 21,808.02 and 8,704.88

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Solution

The fourth proportional to 14,560.56, 21,808.02 and 8,704.88 is: 13,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560.56 : 21,808.02 = 8,704.88 : x
  2. Step 2: Convert to fraction form
    14,560.56/21,808.02 = 8,704.88/x
  3. Step 3: Cross multiply
    14,560.56x = 21,808.02 × 8,704.88
  4. Step 4: Simplify right side
    14,560.56x = 189,836,197.14
  5. Step 5: Solve for x
    x = 189,836,197.14/14,560.56
  6. Step 6: Final answer
    x = 13,037.70

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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.