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Finding the Fourth Proportional to 8,958.60, 13,446.98 and 3,696.77

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Solution

The fourth proportional to 8,958.60, 13,446.98 and 3,696.77 is: 5,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.60 : 13,446.98 = 3,696.77 : x
  2. Step 2: Convert to fraction form
    8,958.60/13,446.98 = 3,696.77/x
  3. Step 3: Cross multiply
    8,958.60x = 13,446.98 × 3,696.77
  4. Step 4: Simplify right side
    8,958.60x = 49,710,392.25
  5. Step 5: Solve for x
    x = 49,710,392.25/8,958.60
  6. Step 6: Final answer
    x = 5,548.90

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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.