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Finding the Fourth Proportional to 6,553.67, 9,042.50 and 3,721.10

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Solution

The fourth proportional to 6,553.67, 9,042.50 and 3,721.10 is: 5,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.67 : 9,042.50 = 3,721.10 : x
  2. Step 2: Convert to fraction form
    6,553.67/9,042.50 = 3,721.10/x
  3. Step 3: Cross multiply
    6,553.67x = 9,042.50 × 3,721.10
  4. Step 4: Simplify right side
    6,553.67x = 33,648,010.84
  5. Step 5: Solve for x
    x = 33,648,010.84/6,553.67
  6. Step 6: Final answer
    x = 5,134.23

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1.5x scale

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.