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Finding the Fourth Proportional to 9,767.40, 14,651.10 and 3,193.80

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Solution

The fourth proportional to 9,767.40, 14,651.10 and 3,193.80 is: 4,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.40 : 14,651.10 = 3,193.80 : x
  2. Step 2: Convert to fraction form
    9,767.40/14,651.10 = 3,193.80/x
  3. Step 3: Cross multiply
    9,767.40x = 14,651.10 × 3,193.80
  4. Step 4: Simplify right side
    9,767.40x = 46,792,683.18
  5. Step 5: Solve for x
    x = 46,792,683.18/9,767.40
  6. Step 6: Final answer
    x = 4,790.70

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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.