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Finding the Fourth Proportional to 4,799.63, 7,187.42 and 3,039.32

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Solution

The fourth proportional to 4,799.63, 7,187.42 and 3,039.32 is: 4,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.63 : 7,187.42 = 3,039.32 : x
  2. Step 2: Convert to fraction form
    4,799.63/7,187.42 = 3,039.32/x
  3. Step 3: Cross multiply
    4,799.63x = 7,187.42 × 3,039.32
  4. Step 4: Simplify right side
    4,799.63x = 21,844,818.22
  5. Step 5: Solve for x
    x = 21,844,818.22/4,799.63
  6. Step 6: Final answer
    x = 4,551.36

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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.