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Finding the Fourth Proportional to 36,630.70, 54,905.55 and 14,436.70

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Solution

The fourth proportional to 36,630.70, 54,905.55 and 14,436.70 is: 21,639.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,630.70 : 54,905.55 = 14,436.70 : x
  2. Step 2: Convert to fraction form
    36,630.70/54,905.55 = 14,436.70/x
  3. Step 3: Cross multiply
    36,630.70x = 54,905.55 × 14,436.70
  4. Step 4: Simplify right side
    36,630.70x = 792,654,953.69
  5. Step 5: Solve for x
    x = 792,654,953.69/36,630.70
  6. Step 6: Final answer
    x = 21,639.09

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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.