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Finding the Fourth Proportional to 8,588.58, 12,882.88 and 2,745.64

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Solution

The fourth proportional to 8,588.58, 12,882.88 and 2,745.64 is: 4,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.58 : 12,882.88 = 2,745.64 : x
  2. Step 2: Convert to fraction form
    8,588.58/12,882.88 = 2,745.64/x
  3. Step 3: Cross multiply
    8,588.58x = 12,882.88 × 2,745.64
  4. Step 4: Simplify right side
    8,588.58x = 35,371,750.64
  5. Step 5: Solve for x
    x = 35,371,750.64/8,588.58
  6. Step 6: Final answer
    x = 4,118.46

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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.