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Finding the Fourth Proportional to 3,373.57, 5,060.65 and 908.33

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Solution

The fourth proportional to 3,373.57, 5,060.65 and 908.33 is: 1,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.57 : 5,060.65 = 908.33 : x
  2. Step 2: Convert to fraction form
    3,373.57/5,060.65 = 908.33/x
  3. Step 3: Cross multiply
    3,373.57x = 5,060.65 × 908.33
  4. Step 4: Simplify right side
    3,373.57x = 4,596,740.21
  5. Step 5: Solve for x
    x = 4,596,740.21/3,373.57
  6. Step 6: Final answer
    x = 1,362.58

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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.