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Finding the Fourth Proportional to 5,552, 8,329.28 and 1,904

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Solution

The fourth proportional to 5,552, 8,329.28 and 1,904 is: 2,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552 : 8,329.28 = 1,904 : x
  2. Step 2: Convert to fraction form
    5,552/8,329.28 = 1,904/x
  3. Step 3: Cross multiply
    5,552x = 8,329.28 × 1,904
  4. Step 4: Simplify right side
    5,552x = 15,858,949.12
  5. Step 5: Solve for x
    x = 15,858,949.12/5,552
  6. Step 6: Final answer
    x = 2,856.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.