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Finding the Fourth Proportional to 14,662.60, 21,988.44 and 5,894.56

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Solution

The fourth proportional to 14,662.60, 21,988.44 and 5,894.56 is: 8,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.60 : 21,988.44 = 5,894.56 : x
  2. Step 2: Convert to fraction form
    14,662.60/21,988.44 = 5,894.56/x
  3. Step 3: Cross multiply
    14,662.60x = 21,988.44 × 5,894.56
  4. Step 4: Simplify right side
    14,662.60x = 129,612,178.89
  5. Step 5: Solve for x
    x = 129,612,178.89/14,662.60
  6. Step 6: Final answer
    x = 8,839.65

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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.