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Finding the Fourth Proportional to 4,703.72, 7,055.86 and 3,383.85

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Solution

The fourth proportional to 4,703.72, 7,055.86 and 3,383.85 is: 5,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.72 : 7,055.86 = 3,383.85 : x
  2. Step 2: Convert to fraction form
    4,703.72/7,055.86 = 3,383.85/x
  3. Step 3: Cross multiply
    4,703.72x = 7,055.86 × 3,383.85
  4. Step 4: Simplify right side
    4,703.72x = 23,875,976.36
  5. Step 5: Solve for x
    x = 23,875,976.36/4,703.72
  6. Step 6: Final answer
    x = 5,075.98

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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.