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Finding the Fourth Proportional to 5,738.69, 8,607.21 and 1,842.59

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Solution

The fourth proportional to 5,738.69, 8,607.21 and 1,842.59 is: 2,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.69 : 8,607.21 = 1,842.59 : x
  2. Step 2: Convert to fraction form
    5,738.69/8,607.21 = 1,842.59/x
  3. Step 3: Cross multiply
    5,738.69x = 8,607.21 × 1,842.59
  4. Step 4: Simplify right side
    5,738.69x = 15,859,516.04
  5. Step 5: Solve for x
    x = 15,859,516.04/5,738.69
  6. Step 6: Final answer
    x = 2,763.62

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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.