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Finding the Fourth Proportional to 22,630.64, 33,943.76 and 13,861.04

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Solution

The fourth proportional to 22,630.64, 33,943.76 and 13,861.04 is: 20,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.64 : 33,943.76 = 13,861.04 : x
  2. Step 2: Convert to fraction form
    22,630.64/33,943.76 = 13,861.04/x
  3. Step 3: Cross multiply
    22,630.64x = 33,943.76 × 13,861.04
  4. Step 4: Simplify right side
    22,630.64x = 470,495,815.11
  5. Step 5: Solve for x
    x = 470,495,815.11/22,630.64
  6. Step 6: Final answer
    x = 20,790.21

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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.