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Finding the Fourth Proportional to 5,341.38, 7,373.97 and 3,576

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Solution

The fourth proportional to 5,341.38, 7,373.97 and 3,576 is: 4,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.38 : 7,373.97 = 3,576 : x
  2. Step 2: Convert to fraction form
    5,341.38/7,373.97 = 3,576/x
  3. Step 3: Cross multiply
    5,341.38x = 7,373.97 × 3,576
  4. Step 4: Simplify right side
    5,341.38x = 26,369,316.72
  5. Step 5: Solve for x
    x = 26,369,316.72/5,341.38
  6. Step 6: Final answer
    x = 4,936.80

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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.