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Finding the Fourth Proportional to 8,965.32, 13,446.90 and 2,392.04

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Solution

The fourth proportional to 8,965.32, 13,446.90 and 2,392.04 is: 3,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.32 : 13,446.90 = 2,392.04 : x
  2. Step 2: Convert to fraction form
    8,965.32/13,446.90 = 2,392.04/x
  3. Step 3: Cross multiply
    8,965.32x = 13,446.90 × 2,392.04
  4. Step 4: Simplify right side
    8,965.32x = 32,165,522.68
  5. Step 5: Solve for x
    x = 32,165,522.68/8,965.32
  6. Step 6: Final answer
    x = 3,587.77

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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.