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Finding the Fourth Proportional to 22,373.87, 30,876.04 and 12,302.08

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Solution

The fourth proportional to 22,373.87, 30,876.04 and 12,302.08 is: 16,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,373.87 : 30,876.04 = 12,302.08 : x
  2. Step 2: Convert to fraction form
    22,373.87/30,876.04 = 12,302.08/x
  3. Step 3: Cross multiply
    22,373.87x = 30,876.04 × 12,302.08
  4. Step 4: Simplify right side
    22,373.87x = 379,839,383.15
  5. Step 5: Solve for x
    x = 379,839,383.15/22,373.87
  6. Step 6: Final answer
    x = 16,976.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.