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Finding the Fourth Proportional to 5,842.76, 8,762.58 and 3,993.56

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Solution

The fourth proportional to 5,842.76, 8,762.58 and 3,993.56 is: 5,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.76 : 8,762.58 = 3,993.56 : x
  2. Step 2: Convert to fraction form
    5,842.76/8,762.58 = 3,993.56/x
  3. Step 3: Cross multiply
    5,842.76x = 8,762.58 × 3,993.56
  4. Step 4: Simplify right side
    5,842.76x = 34,993,888.98
  5. Step 5: Solve for x
    x = 34,993,888.98/5,842.76
  6. Step 6: Final answer
    x = 5,989.27

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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.