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Finding the Fourth Proportional to 14,790.40, 22,201.80 and 8,229.40

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Solution

The fourth proportional to 14,790.40, 22,201.80 and 8,229.40 is: 12,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.40 : 22,201.80 = 8,229.40 : x
  2. Step 2: Convert to fraction form
    14,790.40/22,201.80 = 8,229.40/x
  3. Step 3: Cross multiply
    14,790.40x = 22,201.80 × 8,229.40
  4. Step 4: Simplify right side
    14,790.40x = 182,707,492.92
  5. Step 5: Solve for x
    x = 182,707,492.92/14,790.40
  6. Step 6: Final answer
    x = 12,353.11

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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.