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Finding the Fourth Proportional to 3,373.40, 5,059.74 and 908.48

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Solution

The fourth proportional to 3,373.40, 5,059.74 and 908.48 is: 1,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.40 : 5,059.74 = 908.48 : x
  2. Step 2: Convert to fraction form
    3,373.40/5,059.74 = 908.48/x
  3. Step 3: Cross multiply
    3,373.40x = 5,059.74 × 908.48
  4. Step 4: Simplify right side
    3,373.40x = 4,596,647.30
  5. Step 5: Solve for x
    x = 4,596,647.30/3,373.40
  6. Step 6: Final answer
    x = 1,362.61

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1.5x scale

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.