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Finding the Fourth Proportional to 5,486.54, 7,572.02 and 3,363.46

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Solution

The fourth proportional to 5,486.54, 7,572.02 and 3,363.46 is: 4,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.54 : 7,572.02 = 3,363.46 : x
  2. Step 2: Convert to fraction form
    5,486.54/7,572.02 = 3,363.46/x
  3. Step 3: Cross multiply
    5,486.54x = 7,572.02 × 3,363.46
  4. Step 4: Simplify right side
    5,486.54x = 25,468,150.64
  5. Step 5: Solve for x
    x = 25,468,150.64/5,486.54
  6. Step 6: Final answer
    x = 4,641.94

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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.