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Finding the Fourth Proportional to 14,568.60, 21,863.70 and 9,636.60

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Solution

The fourth proportional to 14,568.60, 21,863.70 and 9,636.60 is: 14,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.60 : 21,863.70 = 9,636.60 : x
  2. Step 2: Convert to fraction form
    14,568.60/21,863.70 = 9,636.60/x
  3. Step 3: Cross multiply
    14,568.60x = 21,863.70 × 9,636.60
  4. Step 4: Simplify right side
    14,568.60x = 210,691,731.42
  5. Step 5: Solve for x
    x = 210,691,731.42/14,568.60
  6. Step 6: Final answer
    x = 14,462.04

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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.