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Finding the Fourth Proportional to 5,987.52, 8,989.56 and 4,134.06

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Solution

The fourth proportional to 5,987.52, 8,989.56 and 4,134.06 is: 6,206.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.52 : 8,989.56 = 4,134.06 : x
  2. Step 2: Convert to fraction form
    5,987.52/8,989.56 = 4,134.06/x
  3. Step 3: Cross multiply
    5,987.52x = 8,989.56 × 4,134.06
  4. Step 4: Simplify right side
    5,987.52x = 37,163,380.41
  5. Step 5: Solve for x
    x = 37,163,380.41/5,987.52
  6. Step 6: Final answer
    x = 6,206.81

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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.