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Finding the Fourth Proportional to 5,495.88, 7,605.18 and 4,799.28

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Solution

The fourth proportional to 5,495.88, 7,605.18 and 4,799.28 is: 6,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.88 : 7,605.18 = 4,799.28 : x
  2. Step 2: Convert to fraction form
    5,495.88/7,605.18 = 4,799.28/x
  3. Step 3: Cross multiply
    5,495.88x = 7,605.18 × 4,799.28
  4. Step 4: Simplify right side
    5,495.88x = 36,499,388.27
  5. Step 5: Solve for x
    x = 36,499,388.27/5,495.88
  6. Step 6: Final answer
    x = 6,641.23

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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.