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Finding the Fourth Proportional to 5,987.65, 8,984.37 and 4,243.84

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Solution

The fourth proportional to 5,987.65, 8,984.37 and 4,243.84 is: 6,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.65 : 8,984.37 = 4,243.84 : x
  2. Step 2: Convert to fraction form
    5,987.65/8,984.37 = 4,243.84/x
  3. Step 3: Cross multiply
    5,987.65x = 8,984.37 × 4,243.84
  4. Step 4: Simplify right side
    5,987.65x = 38,128,228.78
  5. Step 5: Solve for x
    x = 38,128,228.78/5,987.65
  6. Step 6: Final answer
    x = 6,367.81

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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.