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Finding the Fourth Proportional to 5,264.48, 7,265.49 and 3,935.88

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Solution

The fourth proportional to 5,264.48, 7,265.49 and 3,935.88 is: 5,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.48 : 7,265.49 = 3,935.88 : x
  2. Step 2: Convert to fraction form
    5,264.48/7,265.49 = 3,935.88/x
  3. Step 3: Cross multiply
    5,264.48x = 7,265.49 × 3,935.88
  4. Step 4: Simplify right side
    5,264.48x = 28,596,096.78
  5. Step 5: Solve for x
    x = 28,596,096.78/5,264.48
  6. Step 6: Final answer
    x = 5,431.90

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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.