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Finding the Fourth Proportional to 16,683.60, 24,960.60 and 10,851.60

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Solution

The fourth proportional to 16,683.60, 24,960.60 and 10,851.60 is: 16,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.60 : 24,960.60 = 10,851.60 : x
  2. Step 2: Convert to fraction form
    16,683.60/24,960.60 = 10,851.60/x
  3. Step 3: Cross multiply
    16,683.60x = 24,960.60 × 10,851.60
  4. Step 4: Simplify right side
    16,683.60x = 270,862,446.96
  5. Step 5: Solve for x
    x = 270,862,446.96/16,683.60
  6. Step 6: Final answer
    x = 16,235.25

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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.