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Finding the Fourth Proportional to 12,560.50, 17,333.49 and 6,972.58

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Solution

The fourth proportional to 12,560.50, 17,333.49 and 6,972.58 is: 9,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.50 : 17,333.49 = 6,972.58 : x
  2. Step 2: Convert to fraction form
    12,560.50/17,333.49 = 6,972.58/x
  3. Step 3: Cross multiply
    12,560.50x = 17,333.49 × 6,972.58
  4. Step 4: Simplify right side
    12,560.50x = 120,859,145.70
  5. Step 5: Solve for x
    x = 120,859,145.70/12,560.50
  6. Step 6: Final answer
    x = 9,622.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.