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Finding the Fourth Proportional to 8,965.95, 13,447.85 and 2,392.62

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Solution

The fourth proportional to 8,965.95, 13,447.85 and 2,392.62 is: 3,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.95 : 13,447.85 = 2,392.62 : x
  2. Step 2: Convert to fraction form
    8,965.95/13,447.85 = 2,392.62/x
  3. Step 3: Cross multiply
    8,965.95x = 13,447.85 × 2,392.62
  4. Step 4: Simplify right side
    8,965.95x = 32,175,582.90
  5. Step 5: Solve for x
    x = 32,175,582.90/8,965.95
  6. Step 6: Final answer
    x = 3,588.64

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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.