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Finding the Fourth Proportional to 14,609.48, 21,919.68 and 7,585.11

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Solution

The fourth proportional to 14,609.48, 21,919.68 and 7,585.11 is: 11,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.48 : 21,919.68 = 7,585.11 : x
  2. Step 2: Convert to fraction form
    14,609.48/21,919.68 = 7,585.11/x
  3. Step 3: Cross multiply
    14,609.48x = 21,919.68 × 7,585.11
  4. Step 4: Simplify right side
    14,609.48x = 166,263,183.96
  5. Step 5: Solve for x
    x = 166,263,183.96/14,609.48
  6. Step 6: Final answer
    x = 11,380.50

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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.