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Finding the Fourth Proportional to 45,016.80, 62,120.88 and 25,144.80

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Solution

The fourth proportional to 45,016.80, 62,120.88 and 25,144.80 is: 34,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,016.80 : 62,120.88 = 25,144.80 : x
  2. Step 2: Convert to fraction form
    45,016.80/62,120.88 = 25,144.80/x
  3. Step 3: Cross multiply
    45,016.80x = 62,120.88 × 25,144.80
  4. Step 4: Simplify right side
    45,016.80x = 1,562,017,103.42
  5. Step 5: Solve for x
    x = 1,562,017,103.42/45,016.80
  6. Step 6: Final answer
    x = 34,698.54

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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.