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Finding the Fourth Proportional to 60,975.03, 91,478.97 and 31,376.73

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Solution

The fourth proportional to 60,975.03, 91,478.97 and 31,376.73 is: 47,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,975.03 : 91,478.97 = 31,376.73 : x
  2. Step 2: Convert to fraction form
    60,975.03/91,478.97 = 31,376.73/x
  3. Step 3: Cross multiply
    60,975.03x = 91,478.97 × 31,376.73
  4. Step 4: Simplify right side
    60,975.03x = 2,870,310,942.37
  5. Step 5: Solve for x
    x = 2,870,310,942.37/60,975.03
  6. Step 6: Final answer
    x = 47,073.55

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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.