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Finding the Fourth Proportional to 12,633.08, 18,941.18 and 8,887.93

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Solution

The fourth proportional to 12,633.08, 18,941.18 and 8,887.93 is: 13,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.08 : 18,941.18 = 8,887.93 : x
  2. Step 2: Convert to fraction form
    12,633.08/18,941.18 = 8,887.93/x
  3. Step 3: Cross multiply
    12,633.08x = 18,941.18 × 8,887.93
  4. Step 4: Simplify right side
    12,633.08x = 168,347,790.16
  5. Step 5: Solve for x
    x = 168,347,790.16/12,633.08
  6. Step 6: Final answer
    x = 13,325.95

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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.