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Finding the Fourth Proportional to 16,683.98, 25,025.94 and 7,677.18

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Solution

The fourth proportional to 16,683.98, 25,025.94 and 7,677.18 is: 11,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.98 : 25,025.94 = 7,677.18 : x
  2. Step 2: Convert to fraction form
    16,683.98/25,025.94 = 7,677.18/x
  3. Step 3: Cross multiply
    16,683.98x = 25,025.94 × 7,677.18
  4. Step 4: Simplify right side
    16,683.98x = 192,128,646.05
  5. Step 5: Solve for x
    x = 192,128,646.05/16,683.98
  6. Step 6: Final answer
    x = 11,515.76

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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.