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Finding the Fourth Proportional to 8,652.22, 12,993.98 and 7,957.64

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Solution

The fourth proportional to 8,652.22, 12,993.98 and 7,957.64 is: 11,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.22 : 12,993.98 = 7,957.64 : x
  2. Step 2: Convert to fraction form
    8,652.22/12,993.98 = 7,957.64/x
  3. Step 3: Cross multiply
    8,652.22x = 12,993.98 × 7,957.64
  4. Step 4: Simplify right side
    8,652.22x = 103,401,415.01
  5. Step 5: Solve for x
    x = 103,401,415.01/8,652.22
  6. Step 6: Final answer
    x = 11,950.85

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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.