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Finding the Fourth Proportional to 7,279.52, 10,916.24 and 3,583.49

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Solution

The fourth proportional to 7,279.52, 10,916.24 and 3,583.49 is: 5,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.52 : 10,916.24 = 3,583.49 : x
  2. Step 2: Convert to fraction form
    7,279.52/10,916.24 = 3,583.49/x
  3. Step 3: Cross multiply
    7,279.52x = 10,916.24 × 3,583.49
  4. Step 4: Simplify right side
    7,279.52x = 39,118,236.88
  5. Step 5: Solve for x
    x = 39,118,236.88/7,279.52
  6. Step 6: Final answer
    x = 5,373.74

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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.