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Finding the Fourth Proportional to 45,834.39, 68,751.54 and 12,554.73

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Solution

The fourth proportional to 45,834.39, 68,751.54 and 12,554.73 is: 18,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,834.39 : 68,751.54 = 12,554.73 : x
  2. Step 2: Convert to fraction form
    45,834.39/68,751.54 = 12,554.73/x
  3. Step 3: Cross multiply
    45,834.39x = 68,751.54 × 12,554.73
  4. Step 4: Simplify right side
    45,834.39x = 863,157,021.78
  5. Step 5: Solve for x
    x = 863,157,021.78/45,834.39
  6. Step 6: Final answer
    x = 18,832.08

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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.