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Finding the Fourth Proportional to 4,750.88, 6,556.28 and 2,655

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Solution

The fourth proportional to 4,750.88, 6,556.28 and 2,655 is: 3,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.88 : 6,556.28 = 2,655 : x
  2. Step 2: Convert to fraction form
    4,750.88/6,556.28 = 2,655/x
  3. Step 3: Cross multiply
    4,750.88x = 6,556.28 × 2,655
  4. Step 4: Simplify right side
    4,750.88x = 17,406,910.13
  5. Step 5: Solve for x
    x = 17,406,910.13/4,750.88
  6. Step 6: Final answer
    x = 3,663.94

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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.