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Finding the Fourth Proportional to 5,556.67, 7,666.05 and 3,669.10

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Solution

The fourth proportional to 5,556.67, 7,666.05 and 3,669.10 is: 5,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.67 : 7,666.05 = 3,669.10 : x
  2. Step 2: Convert to fraction form
    5,556.67/7,666.05 = 3,669.10/x
  3. Step 3: Cross multiply
    5,556.67x = 7,666.05 × 3,669.10
  4. Step 4: Simplify right side
    5,556.67x = 28,127,504.06
  5. Step 5: Solve for x
    x = 28,127,504.06/5,556.67
  6. Step 6: Final answer
    x = 5,061.94

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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.