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Finding the Fourth Proportional to 7,251.84, 10,876.50 and 2,056.50

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Solution

The fourth proportional to 7,251.84, 10,876.50 and 2,056.50 is: 3,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.84 : 10,876.50 = 2,056.50 : x
  2. Step 2: Convert to fraction form
    7,251.84/10,876.50 = 2,056.50/x
  3. Step 3: Cross multiply
    7,251.84x = 10,876.50 × 2,056.50
  4. Step 4: Simplify right side
    7,251.84x = 22,367,522.25
  5. Step 5: Solve for x
    x = 22,367,522.25/7,251.84
  6. Step 6: Final answer
    x = 3,084.39

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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.