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Finding the Fourth Proportional to 6,715.77, 9,267.93 and 3,731.90

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Solution

The fourth proportional to 6,715.77, 9,267.93 and 3,731.90 is: 5,150.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.77 : 9,267.93 = 3,731.90 : x
  2. Step 2: Convert to fraction form
    6,715.77/9,267.93 = 3,731.90/x
  3. Step 3: Cross multiply
    6,715.77x = 9,267.93 × 3,731.90
  4. Step 4: Simplify right side
    6,715.77x = 34,586,941.63
  5. Step 5: Solve for x
    x = 34,586,941.63/6,715.77
  6. Step 6: Final answer
    x = 5,150.11

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Why These Related Problems?

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