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Finding the Fourth Proportional to 5,703.03, 7,871.85 and 3,608.37

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Solution

The fourth proportional to 5,703.03, 7,871.85 and 3,608.37 is: 4,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.03 : 7,871.85 = 3,608.37 : x
  2. Step 2: Convert to fraction form
    5,703.03/7,871.85 = 3,608.37/x
  3. Step 3: Cross multiply
    5,703.03x = 7,871.85 × 3,608.37
  4. Step 4: Simplify right side
    5,703.03x = 28,404,547.38
  5. Step 5: Solve for x
    x = 28,404,547.38/5,703.03
  6. Step 6: Final answer
    x = 4,980.61

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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.