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Finding the Fourth Proportional to 8,964.96, 13,446.20 and 2,391.68

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Solution

The fourth proportional to 8,964.96, 13,446.20 and 2,391.68 is: 3,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.96 : 13,446.20 = 2,391.68 : x
  2. Step 2: Convert to fraction form
    8,964.96/13,446.20 = 2,391.68/x
  3. Step 3: Cross multiply
    8,964.96x = 13,446.20 × 2,391.68
  4. Step 4: Simplify right side
    8,964.96x = 32,159,007.62
  5. Step 5: Solve for x
    x = 32,159,007.62/8,964.96
  6. Step 6: Final answer
    x = 3,587.19

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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.