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Finding the Fourth Proportional to 3,708.96, 5,562.96 and 1,859.76

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Solution

The fourth proportional to 3,708.96, 5,562.96 and 1,859.76 is: 2,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.96 : 5,562.96 = 1,859.76 : x
  2. Step 2: Convert to fraction form
    3,708.96/5,562.96 = 1,859.76/x
  3. Step 3: Cross multiply
    3,708.96x = 5,562.96 × 1,859.76
  4. Step 4: Simplify right side
    3,708.96x = 10,345,770.49
  5. Step 5: Solve for x
    x = 10,345,770.49/3,708.96
  6. Step 6: Final answer
    x = 2,789.40

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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.