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Finding the Fourth Proportional to 5,989.71, 8,262.56 and 3,751.11

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Solution

The fourth proportional to 5,989.71, 8,262.56 and 3,751.11 is: 5,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.71 : 8,262.56 = 3,751.11 : x
  2. Step 2: Convert to fraction form
    5,989.71/8,262.56 = 3,751.11/x
  3. Step 3: Cross multiply
    5,989.71x = 8,262.56 × 3,751.11
  4. Step 4: Simplify right side
    5,989.71x = 30,993,752.69
  5. Step 5: Solve for x
    x = 30,993,752.69/5,989.71
  6. Step 6: Final answer
    x = 5,174.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.