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Finding the Fourth Proportional to 22,482.16, 33,723.24 and 12,630.64

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Solution

The fourth proportional to 22,482.16, 33,723.24 and 12,630.64 is: 18,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.16 : 33,723.24 = 12,630.64 : x
  2. Step 2: Convert to fraction form
    22,482.16/33,723.24 = 12,630.64/x
  3. Step 3: Cross multiply
    22,482.16x = 33,723.24 × 12,630.64
  4. Step 4: Simplify right side
    22,482.16x = 425,946,104.07
  5. Step 5: Solve for x
    x = 425,946,104.07/22,482.16
  6. Step 6: Final answer
    x = 18,945.96

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Similar ratio
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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.